Molar mass of phosphorus pentoxide (P4O10)
The molar mass of phosphorus pentoxide (P4O10) is 283.886 g/mol.
tetraphosphorus decoxide
Step-by-step calculation
| Element | Atoms | Atomic mass | Subtotal |
|---|---|---|---|
| Phosphorus | × 4 | 30.974 | = 123.896 |
| Oxygen | × 10 | 15.999 | = 159.99 |
| Total | 283.886 g/mol | ||
Percent composition by element
- Phosphorus 43.64%
- Oxygen 56.36%
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Related compounds
H3PO4 Phosphoric acid
Ca3(PO4)2 Calcium phosphate
Na3PO4 Sodium phosphate
K3PO4 Potassium phosphate
(NH4)3PO4 Ammonium phosphate
H3PO3 Phosphorous acid
FAQ
What is the molar mass of P4O10?
The molar mass of phosphorus pentoxide (P4O10) is 283.886 g/mol.
How do you calculate the molar mass of P4O10?
Multiply the atomic mass of each element by the number of its atoms in P4O10, then add the results: 4 × 30.974 (P) + 10 × 15.999 (O) = 283.886 g/mol.
What percentage of P4O10 is Oxygen?
Oxygen makes up 56.36% of the mass of phosphorus pentoxide (P4O10).