Molar Mass of Na2HPO4 (Dibasic Sodium Phosphate)
Molar Mass Calculator
What is the molar mass of Na2HPO4?
Answer
M(Na2HPO4) =
141.958 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024).
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Nasodium | 2 | 22.990 | 45.980 w ≈ 32.39% | ≈ 32.39% |
| Hhydrogen | 1 | 1.0080 | 1.0080 w ≈ 0.71% | ≈ 0.71% |
| Pphosphorus | 1 | 30.974 | 30.974 w ≈ 21.82% | ≈ 21.82% |
| Ooxygen | 4 | 15.999 | 63.996 w ≈ 45.08% | ≈ 45.08% |
| Σ = 141.958 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
O 45.08%
Na 32.39%P 21.82%H 0.71%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| NaMnO₄ (sodium permanganate) | 141.924 |
| AsH₃O₄ (arsenic acid) | 141.942 |
| P₂O₅ (phosphorus pentoxide) | 141.943 |
| Na₂HPO₄ (dibasic sodium phosphate) | 141.958 |
| Na₂SO₄ (sodium sulfate) | 142.04 |
| C₁₀H₂₂ (decane) | 142.286 |
| Ca(ClO)₂ (calcium hypochlorite) | 142.98 |