Molar Mass of Nitrous oxide

N2O — 44.013 g/mol, worked out element by element.

Molar mass of Nitrous oxide, N₂O

44.013 g/mol

Molecular weight 44.013 · 3 atoms per formula unit

Also known as: n2o, laughing gas.

An anaesthetic and a potent greenhouse gas, 273 times CO₂ per molecule over a century.

How 44.013 g/mol is worked out

Mass contribution of each element
ElementAtomsAtomic massMass% of total
Nitrogen214.00728.01463.65%
Oxygen115.99915.99936.35%
Total344.013100%

M = 2 × 14.007 + 1 × 15.999 = 44.013 g/mol

Grams to moles for Nitrous oxide

Mass to moles conversions
MassMolesFormula units
1 g0.0227 mol1.368 × 10^22
10 g0.2272 mol1.368 × 10^23
25 g0.5680 mol3.421 × 10^23
50 g1.1360 mol6.841 × 10^23
100 g2.2721 mol1.368 × 10^24
250 g5.6801 mol3.421 × 10^24
44.013 g1 mol6.022 × 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 Nitrous oxide?

The molar mass of Nitrous oxide (N2O) is 44.013 g/mol. That is the sum of the standard atomic weights of all 3 atoms in one formula unit: 2 × 14.007 + 1 × 15.999 = 44.013.

What is the molecular weight of Nitrous oxide?

44.013 — 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 44.01 and a molar mass of 44.01 g/mol are the same answer.

How many moles are in 100 g of Nitrous oxide?

100 ÷ 44.013 = 2.2721 mol. To convert any mass to moles, divide by the molar mass; to go the other way, multiply.

What is the percent composition of Nitrous oxide?

By mass, Nitrous oxide is 63.65% nitrogen, 36.35% oxygen. Each element's share is its total mass in the formula divided by 44.013.

How many atoms are in one formula unit of Nitrous oxide?

3: 2 nitrogen, 1 oxygen. One mole contains 6.02214076 × 10²³ formula units, so a mole of Nitrous oxide contains 3 × 6.022 × 10²³ atoms in total.