Molar mass of hydroxyapatite (Ca5(PO4)3OH)
The molar mass of hydroxyapatite (Ca5(PO4)3OH) is 502.307 g/mol.
hydroxylapatite
Step-by-step calculation
| Element | Atoms | Atomic mass | Subtotal |
|---|---|---|---|
| Calcium | × 5 | 40.078 | = 200.39 |
| Phosphorus | × 3 | 30.974 | = 92.922 |
| Oxygen | × 13 | 15.999 | = 207.987 |
| Hydrogen | × 1 | 1.008 | = 1.008 |
| Total | 502.307 g/mol | ||
Percent composition by element
- Calcium 39.89%
- Phosphorus 18.5%
- Oxygen 41.41%
- Hydrogen 0.2%
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Related compounds
Ca(H2PO4)2 Monocalcium phosphate
H3PO4 Phosphoric acid
Ca(OH)2 Calcium hydroxide
Ca3(PO4)2 Calcium phosphate
(NH4)3PO4 Ammonium phosphate
CaSO4·2H2O Calcium sulfate dihydrate
FAQ
What is the molar mass of Ca5(PO4)3OH?
The molar mass of hydroxyapatite (Ca5(PO4)3OH) is 502.307 g/mol.
How do you calculate the molar mass of Ca5(PO4)3OH?
Multiply the atomic mass of each element by the number of its atoms in Ca5(PO4)3OH, then add the results: 5 × 40.078 (Ca) + 3 × 30.974 (P) + 13 × 15.999 (O) + 1 × 1.008 (H) = 502.307 g/mol.
What percentage of Ca5(PO4)3OH is Oxygen?
Oxygen makes up 41.41% of the mass of hydroxyapatite (Ca5(PO4)3OH).