Molar Mass of Propane
C3H8 — 44.097 g/mol, worked out element by element.
Molar mass of Propane, C₃H₈
44.097 g/mol
Molecular weight 44.097 · 11 atoms per formula unit
Also known as: c3h8.
Bottled gas, and the combustion equation most often set as an exercise.
How 44.097 g/mol is worked out
| Element | Atoms | Atomic mass | Mass | % of total |
|---|---|---|---|---|
| Carbon | 3 | 12.011 | 36.033 | 81.71% |
| Hydrogen | 8 | 1.008 | 8.064 | 18.29% |
| Total | 11 | 44.097 | 100% |
M = 3 × 12.011 + 8 × 1.008 = 44.097 g/mol
Grams to moles for Propane
| Mass | Moles | Formula units |
|---|---|---|
| 1 g | 0.0227 mol | 1.366 × 10^22 |
| 10 g | 0.2268 mol | 1.366 × 10^23 |
| 25 g | 0.5669 mol | 3.414 × 10^23 |
| 50 g | 1.1339 mol | 6.828 × 10^23 |
| 100 g | 2.2677 mol | 1.366 × 10^24 |
| 250 g | 5.6693 mol | 3.414 × 10^24 |
| 44.097 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.
Related compounds
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Frequently Asked Questions
What is the molar mass of Propane?
The molar mass of Propane (C3H8) is 44.097 g/mol. That is the sum of the standard atomic weights of all 11 atoms in one formula unit: 3 × 12.011 + 8 × 1.008 = 44.097.
What is the molecular weight of Propane?
44.097 — 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 44.10 and a molar mass of 44.10 g/mol are the same answer.
How many moles are in 100 g of Propane?
100 ÷ 44.097 = 2.2677 mol. To convert any mass to moles, divide by the molar mass; to go the other way, multiply.
What is the percent composition of Propane?
By mass, Propane is 81.71% carbon, 18.29% hydrogen. Each element's share is its total mass in the formula divided by 44.097.
How many atoms are in one formula unit of Propane?
11: 3 carbon, 8 hydrogen. One mole contains 6.02214076 × 10²³ formula units, so a mole of Propane contains 11 × 6.022 × 10²³ atoms in total.