Molar Mass of Ozone
O3 — 47.997 g/mol, worked out element by element.
Molar mass of Ozone, O₃
47.997 g/mol
Molecular weight 47.997 · 3 atoms per formula unit
Also known as: o3, trioxygen.
An allotrope of oxygen: same element, half again the molar mass, entirely different chemistry.
How 47.997 g/mol is worked out
| Element | Atoms | Atomic mass | Mass | % of total |
|---|---|---|---|---|
| Oxygen | 3 | 15.999 | 47.997 | 100.00% |
| Total | 3 | 47.997 | 100% |
M = 3 × 15.999 = 47.997 g/mol
Grams to moles for Ozone
| Mass | Moles | Formula units |
|---|---|---|
| 1 g | 0.0208 mol | 1.255 × 10^22 |
| 10 g | 0.2083 mol | 1.255 × 10^23 |
| 25 g | 0.5209 mol | 3.137 × 10^23 |
| 50 g | 1.0417 mol | 6.273 × 10^23 |
| 100 g | 2.0835 mol | 1.255 × 10^24 |
| 250 g | 5.2087 mol | 3.137 × 10^24 |
| 47.997 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 Ozone?
The molar mass of Ozone (O3) is 47.997 g/mol. That is the sum of the standard atomic weights of all 3 atoms in one formula unit: 3 × 15.999 = 47.997.
What is the molecular weight of Ozone?
47.997 — 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 48.00 and a molar mass of 48.00 g/mol are the same answer.
How many moles are in 100 g of Ozone?
100 ÷ 47.997 = 2.0835 mol. To convert any mass to moles, divide by the molar mass; to go the other way, multiply.
What is the percent composition of Ozone?
By mass, Ozone is 100.00% oxygen. Each element's share is its total mass in the formula divided by 47.997.
How many atoms are in one formula unit of Ozone?
3: 3 oxygen. One mole contains 6.02214076 × 10²³ formula units, so a mole of Ozone contains 3 × 6.022 × 10²³ atoms in total.