Example: calculating molar mass. Let's calculate the molar mass of carbon dioxide (CO 2): Carbon (C) has an atomic mass of about 12.01 amu. Oxygen (O) has an atomic mass of about 16.00 amu. CO 2 has one carbon atom and two oxygen atoms. The molar mass of carbon dioxide is 12.01 + (2 × 16.00) = 44.01 g/mol. Lesson on computing molar massWeb site Phonevite sends mass messages and invitations over the phone. It works a lot like other online invitation services like Evite, meaning that people who receive a Phonevite ...Molecular Formula CS. Average mass 76.141 Da. Monoisotopic mass 75.944138 Da. ChemSpider ID 6108. More details: Featured data source. Names. Properties. Searches. Spectra. Vendors. Articles. More. Names and Synonyms. Database ID (s) Validated by Experts, Validated by Users, Non-Validated, Removed by Users. 12122-00-8 [RN] 200-843-6 [EINECS]To determine the molar mass of a compound, we will have to add the individual masses of its atoms. The atoms that constitute C S X 2 \ce{CS2} CS X 2 and their respective atomic masses are listed below:Whether it’s the holidays or you just don’t feel like going out for a 10-person brunch, try these breakfast recipes to feed a crowd. Everyone will carry you out of the room on thei... The molar mass and molecular weight of CS2 + O2 is 108.14. ... The first step to finding the molar mass is to count the number of each atom present in a single ... Example: calculating molar mass. Let's calculate the molar mass of carbon dioxide (CO 2): Carbon (C) has an atomic mass of about 12.01 amu. Oxygen (O) has an atomic mass of about 16.00 amu. CO 2 has one carbon atom and two oxygen atoms. The molar mass of carbon dioxide is 12.01 + (2 × 16.00) = 44.01 g/mol. Lesson on computing molar massThe molar mass of NaNO3 is 84.99 g/mol, What is the correct equation for calculating the molarity (M) of a solution?, What is the mass of a 3.11 mol sample of CS2 and more. Study with Quizlet and memorize flashcards containing terms like Determine the molarity of a solution that is made by dissolving 45.5 g of NaNO3 in sufficient water to make ...n - number of moles = mass / molar mass number of CS₂ moles = 2.0 g / 76.15 g/mol = 0.026 mol R - universal gas constant - 8.314 Jmol⁻¹K⁻¹ T - temperature in kelvin - 70 °C + 273 = 343 K substituting these values in the equation 96 558 Pa x V = 0.026 mol x 8.314 Jmol⁻¹K⁻¹ x 343 K V = 0.768 L the volume occupied is 0.768 LCarbon Disulfide molecular weight. Molar mass of CS2 = 76.1407 g/mol. Convert grams Carbon Disulfide to moles. or. moles Carbon Disulfide to grams. Molecular weight calculation: 12.0107 + 32.065*2.Example: calculating molar mass. Let's calculate the molar mass of carbon dioxide (CO 2): Carbon (C) has an atomic mass of about 12.01 amu. Oxygen (O) has an atomic mass of about 16.00 amu. CO 2 has one carbon atom and two oxygen atoms. The molar mass of carbon dioxide is 12.01 + (2 × 16.00) = 44.01 g/mol. Lesson on computing molar massThe law of conservation of mass states that matter cannot be created or destroyed, which means there must be the same number atoms at the end of a chemical reaction as at the beginning. To be balanced, every element in NaOH + CS2 = Na2CS3 + CNa2O3 + H2O must have the same number of atoms on each side of the equation.Calculate the molecular mass of phosphorus and deduce its formula in C S 2. ... 17.A solution containing 28 gm phosphorus in 315g of CS2 ( b.t. 46.3 degree C) boils at 47.98 degree C. Kb for CS2 is 2.34 K/molKg. Calculate the molecular weight of Phosphorus and deduce its molecular formula. Assume its complete association. (Atomic weight of P is 31)The stoichiometric mole ratio of CS2 and O2 for a maximum theoretical yield is 1:3. If you combine 100 g (or 1.313 moles) of CS2 (molar mass = 76.141 g/mol) and 100 g (or 3.125 moles) of O2 (molar mass = 31.999 g/mol) it will have a theoretical yield of 45.845 g ( 1.042 moles) of CO2 (molar mass = 44.01 g/mol) and 133.471 g ( 2.083 moles) of ...The molar mass will be equal to: (1 atom x 56 grams/mole Fe) + (2 atoms x 35.5 grams/mole of chlorine) = 127 grams/mole of iron (II) chloride. For other compounds, this might get a little bit more complicated. For example, take the example of zinc nitrate, or Zn (NO 3) 2. In this compound, we have one atom of zinc, two atoms of nitrogen (one ...The molar mass of ethylene glycol is 62.068 g/mol. B The number of moles of ethylene glycol present in 35.00 g can be calculated by dividing the mass (in grams) by the molar mass (in grams per mole): 35.00gethyleneglycol(1molethyleneglycol ( g)) 62.068gethyleneglycol) = 0.5639molethyleneglycol.Molecular Weight Description. The CARBON DISULFIDE molecule consists of 1 Carbon atom (s) and 2 Sulfur atom (s) - a total of 3 atom (s). The molecular weight of CARBON …Molar mass calculator computes molar mass, molecular weight and elemental composition of any given compound. ... Convert between CS2 weight and moles. Compound Moles Weight, g; CS2: Elemental composition of CS2. Element Symbol Atomic weight Atoms Mass percent; Carbon: C: 12.0107: 1: 15.7743: Sulfur: S: 32.065: 2:Definitions of molecular mass, molecular weight, molar mass and molar weight. Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12) Molar mass (molar weight) is the mass of one mole of a substance and is ...Google's search option is invaluable when it's time to clean up your Gmail account. This feature instantly identifies emails that meet specific criteria, so you can quickly mark th...Molar mass calculator computes molar mass, molecular weight and elemental composition of any given compound. Printed from https://www.webqc.org ... Convert between Cs2(S2O8) weight and moles. Compound Moles Weight, g; Cs2(S2O8) Elemental composition of Cs2(S2O8) Element Symbol Atomic weight Atoms Mass percent; …Molar mass calculator computes molar mass, molecular weight and elemental composition of any given compound. Printed from https://www.webqc.org ... Convert between Cs2[B12H12] weight and moles. Compound Moles Weight, g; Cs2[B12H12] Elemental composition of Cs2[B12H12] Element Symbol Atomic weight Atoms Mass percent; …Let's calculate the molar mass of carbon dioxide (CO 2 ): Carbon (C) has an atomic mass of about 12.01 amu. Oxygen (O) has an atomic mass of about 16.00 amu. CO 2 has one carbon atom and two oxygen atoms. The molar mass of carbon dioxide is 12.01 + (2 × 16.00) = 44.01 g/mol.The Forbes8 eSummit on Business Resiliency is going to bring speakers together, virtually, to help businesses navigate and communicate during the pandemic. Adapt and evolve. If the...Monosodium glutamate (MSG), a food-flavored enhancer, has been blamed for "Chinese restaurant syndrome", the symptoms of which of headaches and chest paints. MSG has the following composition by mass: 35.51 percent C, 4.77 percent H, 37.85 percent O, 8.29 percent N, and 13.60 percent Na. What is its molecular formula if its molar mass is about ...The molar mass of CS2 is 76.15 g/mol. How many grams of CS2 are present in 10.00 mol? a. ... The molar mass of NH3 is 17.03 g/mol. How many moles of NH3 are present in 107.1 g? a. 0.1623 mol b. 3.614 mol c. 6.289 mol d. 107.1 mol. c. What is the mass of 0.240 mol glucose, C6H12O6? a.bmi, body mass index, weight, overweight, underweight, healthy weight, healthy, health Advertisement To find out how much you weigh, you simply step on a scale. But your weight alo...The vapor pressure of the solution was found to be 190 mmHg. Calculate the molar mass of the solute given that the vapor pressure of CS2 is 195 mmHg. (Molar mass of CS2 = 76 g/mol) 5.8 g of a non-volatile solute was dissolved in 100 g of carbon disulfide (CS2). The vapor pressure of the solution was found to be 190 mmHg.Formula:CS2 Enter a chemical formula to calculate molar mass,The molar mass calculator can be used in Chemical industry and medicine industry. Home|Add to Favorites | ... Formula: CS2 Molar Mass: 76.131 g/mol 1g=1.31352537074254E-02 mol Percent composition (by mass):A 2.15 g sample of molecular solid was dissolved in 25.0 g of CS2. The boiling point elevation of the solution was 1.59 C. Find the molar mass of the unknown.Monosodium glutamate (MSG), a food-flavored enhancer, has been blamed for "Chinese restaurant syndrome", the symptoms of which of headaches and chest paints. MSG has the following composition by mass: 35.51 percent C, 4.77 percent H, 37.85 percent O, 8.29 percent N, and 13.60 percent Na. What is its molecular formula if its molar mass is about ...The molar mass will be equal to: (1 atom x 56 grams/mole Fe) + (2 atoms x 35.5 grams/mole of chlorine) = 127 grams/mole of iron (II) chloride. For other compounds, this might get a little bit more complicated. For example, take the example of zinc nitrate, or Zn (NO 3) 2. In this compound, we have one atom of zinc, two atoms of nitrogen (one ...The law of conservation of mass states that matter cannot be created or destroyed, which means there must be the same number atoms at the end of a chemical reaction as at the beginning. To be balanced, every element in CS2 + H2 = CH4 + H2S must have the same number of atoms on each side of the equation.Example: calculating molar mass. Let's calculate the molar mass of carbon dioxide (CO 2): Carbon (C) has an atomic mass of about 12.01 amu. Oxygen (O) has an atomic mass of about 16.00 amu. CO 2 has one carbon atom and two oxygen atoms. The molar mass of carbon dioxide is 12.01 + (2 × 16.00) = 44.01 g/mol. Lesson on computing molar massThe molar mass CS 2, expressed in g/mol, is numerically the same as the molecular mass CS 2 - the mass of the molecule, expressed in amu (atomic mass unit). However, one must clearly understand the difference between molar mass CS 2 and molecular weight CS 2, understanding that they are only equal numerically and differ in dimension.10.00 moles CS2 × (76.2 grams) = 762 grams CS2. For this you need the atomic (molecular) mass of CS2. Take the number of moles and multiply it by the Atomic Mass. Divide by one mole for units ... Since there is an equal number of each element in the reactants and products of CS2 + 3O2 = CO2 + 2SO2, the equation is balanced. Balance CS2 + O2 = CO2 + SO2 Using Inspection The law of conservation of mass states that matter cannot be created or destroyed, which means there must be the same number atoms at the end of a chemical reaction as at ... The molecular mass is the sum of the atomic mass of the elements present in the compound. Step 2: Calculating the molar mass of Carbon disuiphide. The molecular mass of Carbon disulfide CS 2 is calculated as: (Atomic mass of C) + (2 × Atomic mass of S) The molecular mass of CS 2 = 12 u + 2 32 u = 76 u. Hence, the molecular mass of Carbon ... What is the vapor pressure of a solution prepared by dissolving 12.14 g naphthalene (C10Hs Molar Mass -128.2 g/mol) in 145 mL CS2 liquid (Molar Mass-76.14g/mol, density 1.261 g/mL)? Assume the solution obeys Raoult's law, and treat naphthalene as a nonvolatile solute. 1st attempt d See PeriodicLet's calculate the molar mass of carbon dioxide (CO 2 ): Carbon (C) has an atomic mass of about 12.01 amu. Oxygen (O) has an atomic mass of about 16.00 amu. CO 2 has one carbon atom and two oxygen atoms. The molar mass of carbon dioxide is 12.01 + (2 × 16.00) = 44.01 g/mol. A 2.15 g sample of molecular solid was dissolved in 25.0 g of CS2. The boiling point elevation of the solution was 1.59 C. Find the molar mass of the unknown. (b) Calculate the mass and mole fractions of CCl4 in the overhead stream, and determine the molar flow rates of CCl4 and CS2 in the overhead and feed streams. (c) Suppose the overhead stream is analyzed and the mole fraction of CS2 is found to be significantly lower than the value calculated in Part (b).Formula: CS 2. Molecular weight: 76.141. IUPAC Standard InChI: InChI=1S/CS2/c2-1-3. Copy Sheet of paper on top of another sheet. IUPAC Standard InChIKey: QGJOPFRUJISHPQ-UHFFFAOYSA-N. Copy Sheet of paper on top of another sheet. CAS Registry Number: 75-15-0. Chemical structure: This structure is also available as a 2d …Computing molecular weight (molecular mass) To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets. Examples of molecular weight computations: C[14]O[16]2, S[34]O[16]2. Definitions of molecular mass, molecular weight, molar mass and molar weightCarbon Disulfide | CS2 | CID 6348 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety ...23 May 2012 ... The clear liquid is carbon disulfide. It is composed of carbon (black solid) and sulfur (yellow solid). If carbon disulfide contains one ...Formula in Hill system is CS2: Computing molar mass (molar weight) To calculate molar mass of a chemical compound enter its formula and click 'Compute'. In chemical formula you may use: Any chemical element. Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al.The periodic table lists the atomic mass of carbon as 12.011 amu; the average molar mass of carbon—the mass of 6.022 × 10 23 carbon atoms—is therefore …We can calculate the mass of one molecule of carbon dioxide by adding together the masses of 1 atom of carbon and 2 atoms of oxygen: \ [12.01 \: \text {amu} + …Click here👆to get an answer to your question ️ Calculate the molecular masses of the following compounds:(a) Hydrogen sulphide, H2S (b) Carbon disulphide, CS2 (Atomic masses: H = 1u , S = 32u, C = 12u)Molar mass of CS2(s) is 76.1407 g/mol. Get control of 2022! Track your food intake, exercise, sleep and meditation for free. Convert between CS2(s) weight and moles. Compound. Moles.The law of conservation of mass states that matter cannot be created or destroyed, which means there must be the same number atoms at the end of a chemical reaction as at the beginning. To be balanced, every element in CS2 + H2 = CH4 + H2S must have the same number of atoms on each side of the equation.We will approach this problem by calculating the molar mass of carbon disulfide which will be used to calculate the mass of carbon disulfide using equation (1). Carbon disulfide, C S X 2 \ce{CS2} CS X 2 , is composed of 1 carbon and 2 sulfur atoms. Given data: A (C) = 12.01 g / m o l A(\ce{C})=\pu{12.01g/mol} A (C) = 12.01 g / molStudy with Quizlet and memorize flashcards containing terms like The atomic masses of 35 Cl (75.53%) 17 and 37 Cl (24.47%) 17 are 34.968 amu and 36.956 amu, respectively. Calculate the natural abundances of these two isotopes. The average atomic mass of Li is 6.941 amu., The thickness of a piece of paper is 0.0036 in. Suppose a certain book has an Avogadro's number of pages: calculate the ...Do a quick conversion: 1 grams Carbon Disulfide = 0.013133580332201 mole using the molecular weight calculator and the molar mass of CS2.The molecular mass of sulfur is 256 u. As you might have guessed, this is a boiling point elevation problem. The formula for boiling point elevation is ΔT_"b" = K_"b"m We need to look up the values of T_"b"^"o" and K_"b" for CS₂. They are T_"b"^"o" = 46.2 °C and K_"b" = 2.37 °C·kg/mol ΔT_"b" = T_"b"^"o" – T_"b" = (49.48 – 46.2) °C = 3.28 °C We can use this information to calculate ...We can calculate the mass of one molecule of carbon dioxide by adding together the masses of 1 atom of carbon and 2 atoms of oxygen: \ [12.01 \: \text {amu} + …5 Mar 2022 ... Watch: Molar Mass in Three Easy Steps: https://youtu.be/o3MMBO8WxjY Note that molecular weight, molar mass, and gram formula mass are all ...8 Mar 2022 ... Explanation of how to find the molar mass of C6H8O6: Ascorbic acid (Vitamin C). A few things to consider when finding the molar mass for ...Google's search option is invaluable when it's time to clean up your Gmail account. This feature instantly identifies emails that meet specific criteria, so you can quickly mark th...Electric vehicle brand Polestar has revealed its first SUV, the 489-horsepower Polestar 3 starting at $83,900. EV maker Polestar has unveiled the Polestar 3, its first SUV designed...Formula: CS 2. Molecular weight: 76.141. IUPAC Standard InChI:InChI=1S/CS2/c2-1-3 Copy. IUPAC Standard InChIKey:QGJOPFRUJISHPQ-UHFFFAOYSA-N Copy. CAS Registry Number: 75-15-0. Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript .A solution contains 3.95 g of carbon disulfide (CS2, molar mass = 76.13 g/mol) and 2.43 g of acetone ((CH3)2CO, molar mass = 58.08 g/mol). The vapor pressure of pure carbon disulfide and acetone at 35C are 515 torr and 332 torr, respectively. Assuming ideal solution behavior, calculate the vapor pressure of each of the components and the total ...22 Jul 2015 ... Roxi Hulet•41K views · 2:19. Go to channel · ALEKS: Interconverting molar mass and density. Roxi Hulet•24K views · 17:23. Go to channel ·...Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol. Mole is a standard scientific unit for measuring large quantities of very small entities such as atoms and molecules. One mole contains exactly 6.022 ×10 23 particles (Avogadro's number) Carbon disulfide. Molecular Formula CS. Average mass 76.141 Da. Monoisotopic mass 75.944138 Da. ChemSpider ID 6108. Computing molar mass step by step. First, compute the number of each atom in Cs 2 SO 4: Cs: 2, S: 1, O: 4. Then, lookup atomic weights for each element in periodic table: Cs: 132.9054519, S: 32.065, O: 15.9994. Now, compute the sum of products of number of atoms to the atomic weight: Molar mass (Cs 2 SO 4) = ∑ Count i * Weight i =.Example: calculating molar mass. Let's calculate the molar mass of carbon dioxide (CO 2): Carbon (C) has an atomic mass of about 12.01 amu. Oxygen (O) has an atomic mass of about 16.00 amu. CO 2 has one carbon atom and two oxygen atoms. The molar mass of carbon dioxide is 12.01 + (2 × 16.00) = 44.01 g/mol. Lesson on computing molar massMolecular Formula CS. Average mass 76.141 Da. Monoisotopic mass 75.944138 Da. ChemSpider ID 6108. More details: Featured data source. Names. Properties. Searches. Spectra. Vendors. Articles. More. Names and Synonyms. Database ID (s) Validated by Experts, Validated by Users, Non-Validated, Removed by Users. 12122-00-8 [RN] 200-843-6 [EINECS]Computing molecular weight (molecular mass) To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets. Examples of molecular weight computations: C[14]O[16]2, S[34]O[16]2. Definitions of molecular mass, molecular weight, molar mass and molar weightExample: calculating molar mass. Let's calculate the molar mass of carbon dioxide (CO 2): Carbon (C) has an atomic mass of about 12.01 amu. Oxygen (O) has an atomic mass of about 16.00 amu. CO 2 has one carbon atom and two oxygen atoms. The molar mass of carbon dioxide is 12.01 + (2 × 16.00) = 44.01 g/mol. Lesson on computing molar massMolar mass calculator computes molar mass, molecular weight and elemental composition of any given compound. Printed from https://www.webqc.org ... Convert between Cs2(CO3) weight and moles. Compound Moles Weight, g; Cs2(CO3) Elemental composition of Cs2(CO3) Element Symbol Atomic weight Atoms Mass percent; Cesium: Cs: …Molar mass calculator computes molar mass, molecular weight and elemental composition of any given compound. Printed from https://www.webqc.org ... Convert between Cs2[B12H12] weight and moles. Compound Moles Weight, g; Cs2[B12H12] Elemental composition of Cs2[B12H12] Element Symbol Atomic weight Atoms Mass percent; …Fourteen. The number of students killed at Robb Elementary school in Texas today. One. The number of teachers killed at that same elementary school. Two. The suspected number of gu...Find molar masses of carbon ( 12.01 g/mol) and oxygen ( 16 g/mol ). Multiply the molar mass of each element by the number of atoms in the compound's …The molar mass for this compound is computed to be 176.124 g/mol. The given number of moles is a very small fraction of a mole (~10 −4 or one-ten thousandth); therefore, we would expect the corresponding mass to be about one-ten thousandth of the molar mass (~0.02 g). Performing the calculation, we get:The molar mass of gold is 196.97 g/mol. To find this number, multiply the atomic mass by the molar mass constant, which is one gram per one mole because gold in its elemental form ...There are 4 easy steps to find the molar mass of CS2 based on its chemical formula. 1. Count The Number of Each Atom. The first step to finding the molar mass of Carbon Disulfide is to count the number of each atom present in a single molecule using the chemical formula, CS2: 2.17 Dec 2023 ... Go to channel · A solution contains 5.85 g NaCl (Molar Mass =58.5gmol–1) per litre of solution.It has an osmotic--. DHARMA PYQs•741 views · 6:41.
The molar mass will be equal to: (1 atom x 56 grams/mole Fe) + (2 atoms x 35.5 grams/mole of chlorine) = 127 grams/mole of iron (II) chloride. For other compounds, this might get a little bit more complicated. For example, take the example of zinc nitrate, or Zn (NO 3) 2. In this compound, we have one atom of zinc, two atoms of nitrogen (one .... Jinjin marianna fl
Types of Teeth - There are different types of teeth and different ways of naming them. Learn about types of teeth, tooth surfaces and the Universal System of naming them. Advertise...Alacia M. asked • 02/03/24 Using standard the thermodynamic properties shown below estimate the normal boiling point of carbon disulfide (CS2).Molar mass calculator computes molar mass, molecular weight and elemental composition of any given compound. Printed from https://www.webqc.org ... Convert between Cs2(C2O4) weight and moles. Compound Moles Weight, g; Cs2(C2O4) Elemental composition of Cs2(C2O4) Element Symbol Atomic weight Atoms Mass percent; …CCl4 CS2 PH3 PF5 QUESTION 33 What mass of sodium hydroxide (NaOH, molar mass = 40.0 g mort) is needed to make 100.0 mL of a 0.125 M NaOH solution? 0.05008 0.500 g 3.138 5.008 QUESTION 34 What are the polarities of CH2Cl2 and CF2Cl2? H CH CI H F CI cl Both are polar. Both are nonpolar.Alacia M. asked • 02/03/24 Using standard the thermodynamic properties shown below estimate the normal boiling point of carbon disulfide (CS2).A scrotal mass is a lump or bulge that can be felt in the scrotum. The scrotum is the sac that contains the testicles. A scrotal mass is a lump or bulge that can be felt in the scr...Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol. Mole is a standard scientific unit for measuring large quantities of very small entities such as atoms and molecules. One mole contains exactly 6.022 ×10 23 particles (Avogadro's number)Finally, add together the total mass of each element to get the molar mass of CS2 + O2: 12.0107 g/mol + 64.13 g/mol + 31.9988 g/mol = 108.1395 g/mol. 5. Find Mole Fraction. To find the mole fraction and percentage of each element in CS2 + O2, divide each total from step 3 by the total molar mass found in step 4:Example: calculating molar mass. Let's calculate the molar mass of carbon dioxide (CO 2): Carbon (C) has an atomic mass of about 12.01 amu. Oxygen (O) has an atomic mass of about 16.00 amu. CO 2 has one carbon atom and two oxygen atoms. The molar mass of carbon dioxide is 12.01 + (2 × 16.00) = 44.01 g/mol. Lesson on computing molar massWhat is the vapor pressure of a solution prepared by dissolving 12.14 g naphthalene (C10Hs Molar Mass -128.2 g/mol) in 145 mL CS2 liquid (Molar Mass-76.14g/mol, density 1.261 g/mL)? Assume the solution obeys Raoult's law, and treat naphthalene as a nonvolatile solute. 1st attempt d See PeriodicLet's calculate the molar mass of carbon dioxide (CO 2 ): Carbon (C) has an atomic mass of about 12.01 amu. Oxygen (O) has an atomic mass of about 16.00 amu. CO 2 has one carbon atom and two oxygen atoms. The molar mass of carbon dioxide is 12.01 + (2 × 16.00) = 44.01 g/mol.Computing molecular weight (molecular mass) To calculate molecular weight of a chemical compound enter it's formula, specify its isotope mass number after each element in square brackets. Examples of molecular weight computations: C[14]O[16]2, S[34]O[16]2. Definitions of molecular mass, molecular weight, molar mass and molar weightFinally, add together the total mass of each element to get the molar mass of CS2 + O2: 12.0107 g/mol + 64.13 g/mol + 31.9988 g/mol = 108.1395 g/mol. 5. Find Mole Fraction. To find the mole fraction and percentage of each element in CS2 + O2, divide each total from step 3 by the total molar mass found in step 4:Carbon Disulfide | CS2 | CID 6348 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety ....