Molar Mass of Barium chloride
BaCl2 — 208.230 g/mol, worked out element by element.
Molar mass of Barium chloride, BaCl₂
208.230 g/mol
Molecular weight 208.230 · 3 atoms per formula unit
Also known as: bacl2.
The test reagent for sulfate, giving a white precipitate that will not redissolve in acid.
How 208.230 g/mol is worked out
| Element | Atoms | Atomic mass | Mass | % of total |
|---|---|---|---|---|
| Barium | 1 | 137.33 | 137.330 | 65.95% |
| Chlorine | 2 | 35.45 | 70.900 | 34.05% |
| Total | 3 | 208.230 | 100% |
M = 1 × 137.330 + 2 × 35.450 = 208.230 g/mol
Grams to moles for Barium chloride
| Mass | Moles | Formula units |
|---|---|---|
| 1 g | 0.0048 mol | 2.892 × 10^21 |
| 10 g | 0.0480 mol | 2.892 × 10^22 |
| 25 g | 0.1201 mol | 7.230 × 10^22 |
| 50 g | 0.2401 mol | 1.446 × 10^23 |
| 100 g | 0.4802 mol | 2.892 × 10^23 |
| 250 g | 1.2006 mol | 7.230 × 10^23 |
| 208.230 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 Barium chloride?
The molar mass of Barium chloride (BaCl2) is 208.230 g/mol. That is the sum of the standard atomic weights of all 3 atoms in one formula unit: 1 × 137.330 + 2 × 35.450 = 208.230.
What is the molecular weight of Barium chloride?
208.230 — 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 208.23 and a molar mass of 208.23 g/mol are the same answer.
How many moles are in 100 g of Barium chloride?
100 ÷ 208.230 = 0.4802 mol. To convert any mass to moles, divide by the molar mass; to go the other way, multiply.
What is the percent composition of Barium chloride?
By mass, Barium chloride is 65.95% barium, 34.05% chlorine. Each element's share is its total mass in the formula divided by 208.230.
How many atoms are in one formula unit of Barium chloride?
3: 1 barium, 2 chlorine. One mole contains 6.02214076 × 10²³ formula units, so a mole of Barium chloride contains 3 × 6.022 × 10²³ atoms in total.