Molar Mass of Nitrogen gas
N2 — 28.014 g/mol, worked out element by element.
Molar mass of Nitrogen gas, N₂
28.014 g/mol
Molecular weight 28.014 · 2 atoms per formula unit
Also known as: n2, dinitrogen.
78% of the atmosphere, and the feedstock for ammonia synthesis.
How 28.014 g/mol is worked out
| Element | Atoms | Atomic mass | Mass | % of total |
|---|---|---|---|---|
| Nitrogen | 2 | 14.007 | 28.014 | 100.00% |
| Total | 2 | 28.014 | 100% |
M = 2 × 14.007 = 28.014 g/mol
Grams to moles for Nitrogen gas
| Mass | Moles | Formula units |
|---|---|---|
| 1 g | 0.0357 mol | 2.150 × 10^22 |
| 10 g | 0.3570 mol | 2.150 × 10^23 |
| 25 g | 0.8924 mol | 5.374 × 10^23 |
| 50 g | 1.7848 mol | 1.075 × 10^24 |
| 100 g | 3.5696 mol | 2.150 × 10^24 |
| 250 g | 8.9241 mol | 5.374 × 10^24 |
| 28.014 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 Nitrogen gas?
The molar mass of Nitrogen gas (N2) is 28.014 g/mol. That is the sum of the standard atomic weights of all 2 atoms in one formula unit: 2 × 14.007 = 28.014.
What is the molecular weight of Nitrogen gas?
28.014 — 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 28.01 and a molar mass of 28.01 g/mol are the same answer.
How many moles are in 100 g of Nitrogen gas?
100 ÷ 28.014 = 3.5696 mol. To convert any mass to moles, divide by the molar mass; to go the other way, multiply.
What is the percent composition of Nitrogen gas?
By mass, Nitrogen gas is 100.00% nitrogen. Each element's share is its total mass in the formula divided by 28.014.
How many atoms are in one formula unit of Nitrogen gas?
2: 2 nitrogen. One mole contains 6.02214076 × 10²³ formula units, so a mole of Nitrogen gas contains 2 × 6.022 × 10²³ atoms in total.