Molar Mass of Sodium nitrate
NaNO3 — 84.994 g/mol, worked out element by element.
Molar mass of Sodium nitrate, NaNO₃
84.994 g/mol
Molecular weight 84.994 · 5 atoms per formula unit
Also known as: nano3, chile saltpeter.
A nitrogen fertiliser mined as caliche before the Haber process made it unnecessary.
How 84.994 g/mol is worked out
| Element | Atoms | Atomic mass | Mass | % of total |
|---|---|---|---|---|
| Oxygen | 3 | 15.999 | 47.997 | 56.47% |
| Sodium | 1 | 22.99 | 22.990 | 27.05% |
| Nitrogen | 1 | 14.007 | 14.007 | 16.48% |
| Total | 5 | 84.994 | 100% |
M = 3 × 15.999 + 1 × 22.990 + 1 × 14.007 = 84.994 g/mol
Grams to moles for Sodium nitrate
| Mass | Moles | Formula units |
|---|---|---|
| 1 g | 0.0118 mol | 7.085 × 10^21 |
| 10 g | 0.1177 mol | 7.085 × 10^22 |
| 25 g | 0.2941 mol | 1.771 × 10^23 |
| 50 g | 0.5883 mol | 3.543 × 10^23 |
| 100 g | 1.1766 mol | 7.085 × 10^23 |
| 250 g | 2.9414 mol | 1.771 × 10^24 |
| 84.994 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 Sodium nitrate?
The molar mass of Sodium nitrate (NaNO3) is 84.994 g/mol. That is the sum of the standard atomic weights of all 5 atoms in one formula unit: 3 × 15.999 + 1 × 22.990 + 1 × 14.007 = 84.994.
What is the molecular weight of Sodium nitrate?
84.994 — 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 84.99 and a molar mass of 84.99 g/mol are the same answer.
How many moles are in 100 g of Sodium nitrate?
100 ÷ 84.994 = 1.1766 mol. To convert any mass to moles, divide by the molar mass; to go the other way, multiply.
What is the percent composition of Sodium nitrate?
By mass, Sodium nitrate is 56.47% oxygen, 27.05% sodium, 16.48% nitrogen. Each element's share is its total mass in the formula divided by 84.994.
How many atoms are in one formula unit of Sodium nitrate?
5: 3 oxygen, 1 sodium, 1 nitrogen. One mole contains 6.02214076 × 10²³ formula units, so a mole of Sodium nitrate contains 5 × 6.022 × 10²³ atoms in total.