Molar Mass of Toluene
C7H8 — 92.141 g/mol, worked out element by element.
Molar mass of Toluene, C₇H₈
92.141 g/mol
Molecular weight 92.141 · 15 atoms per formula unit
Also known as: c7h8, methylbenzene.
Benzene with a methyl group; far less toxic, and a common laboratory solvent.
How 92.141 g/mol is worked out
| Element | Atoms | Atomic mass | Mass | % of total |
|---|---|---|---|---|
| Carbon | 7 | 12.011 | 84.077 | 91.25% |
| Hydrogen | 8 | 1.008 | 8.064 | 8.75% |
| Total | 15 | 92.141 | 100% |
M = 7 × 12.011 + 8 × 1.008 = 92.141 g/mol
Grams to moles for Toluene
| Mass | Moles | Formula units |
|---|---|---|
| 1 g | 0.0109 mol | 6.536 × 10^21 |
| 10 g | 0.1085 mol | 6.536 × 10^22 |
| 25 g | 0.2713 mol | 1.634 × 10^23 |
| 50 g | 0.5426 mol | 3.268 × 10^23 |
| 100 g | 1.0853 mol | 6.536 × 10^23 |
| 250 g | 2.7132 mol | 1.634 × 10^24 |
| 92.141 g | 1 mol | 6.022 × 10^23 |
For any other amount, use the molar mass calculator, or the molarity calculator to make up a solution of a given concentration.
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Frequently Asked Questions
What is the molar mass of Toluene?
The molar mass of Toluene (C7H8) is 92.141 g/mol. That is the sum of the standard atomic weights of all 15 atoms in one formula unit: 7 × 12.011 + 8 × 1.008 = 92.141.
What is the molecular weight of Toluene?
92.141 — the same number as the molar mass, but as a dimensionless ratio rather than in g/mol. The two terms describe the same arithmetic, so a molecular weight of 92.14 and a molar mass of 92.14 g/mol are the same answer.
How many moles are in 100 g of Toluene?
100 ÷ 92.141 = 1.0853 mol. To convert any mass to moles, divide by the molar mass; to go the other way, multiply.
What is the percent composition of Toluene?
By mass, Toluene is 91.25% carbon, 8.75% hydrogen. Each element's share is its total mass in the formula divided by 92.141.
How many atoms are in one formula unit of Toluene?
15: 7 carbon, 8 hydrogen. One mole contains 6.02214076 × 10²³ formula units, so a mole of Toluene contains 15 × 6.022 × 10²³ atoms in total.