Molar Mass of Butane
C4H10 — 58.124 g/mol, worked out element by element.
Molar mass of Butane, C₄H₁₀
58.124 g/mol
Molecular weight 58.124 · 14 atoms per formula unit
Also known as: c4h10.
Lighter fuel; liquefies under modest pressure, which is why the canister sloshes.
How 58.124 g/mol is worked out
| Element | Atoms | Atomic mass | Mass | % of total |
|---|---|---|---|---|
| Carbon | 4 | 12.011 | 48.044 | 82.66% |
| Hydrogen | 10 | 1.008 | 10.080 | 17.34% |
| Total | 14 | 58.124 | 100% |
M = 4 × 12.011 + 10 × 1.008 = 58.124 g/mol
Grams to moles for Butane
| Mass | Moles | Formula units |
|---|---|---|
| 1 g | 0.0172 mol | 1.036 × 10^22 |
| 10 g | 0.1720 mol | 1.036 × 10^23 |
| 25 g | 0.4301 mol | 2.590 × 10^23 |
| 50 g | 0.8602 mol | 5.180 × 10^23 |
| 100 g | 1.7205 mol | 1.036 × 10^24 |
| 250 g | 4.3011 mol | 2.590 × 10^24 |
| 58.124 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 Butane?
The molar mass of Butane (C4H10) is 58.124 g/mol. That is the sum of the standard atomic weights of all 14 atoms in one formula unit: 4 × 12.011 + 10 × 1.008 = 58.124.
What is the molecular weight of Butane?
58.124 — 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 58.12 and a molar mass of 58.12 g/mol are the same answer.
How many moles are in 100 g of Butane?
100 ÷ 58.124 = 1.7205 mol. To convert any mass to moles, divide by the molar mass; to go the other way, multiply.
What is the percent composition of Butane?
By mass, Butane is 82.66% carbon, 17.34% hydrogen. Each element's share is its total mass in the formula divided by 58.124.
How many atoms are in one formula unit of Butane?
14: 4 carbon, 10 hydrogen. One mole contains 6.02214076 × 10²³ formula units, so a mole of Butane contains 14 × 6.022 × 10²³ atoms in total.