Molar Mass of KH2PO4 (Monobasic Potassium Phosphate)
Molar Mass Calculator
What is the molar mass of KH2PO4?
Answer
M(KH2PO4) =
136.084 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024).
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Kpotassium | 1 | 39.098 | 39.098 w ≈ 28.73% | ≈ 28.73% |
| Hhydrogen | 2 | 1.0080 | 2.0160 w ≈ 1.48% | ≈ 1.48% |
| Pphosphorus | 1 | 30.974 | 30.974 w ≈ 22.76% | ≈ 22.76% |
| Ooxygen | 4 | 15.999 | 63.996 w ≈ 47.03% | ≈ 47.03% |
| Σ = 136.084 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
O 47.03%
K 28.73%P 22.76%H 1.48%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| SnO (tin(II) oxide) | 134.71 |
| C₈H₉NO (acetanilide) | 135.166 |
| CaHPO₄ (dicalcium phosphate) | 136.056 |
| KH₂PO₄ (monobasic potassium phosphate) | 136.084 |
| CaSO₄ (calcium sulfate) | 136.13 |
| ZnCl₂ (zinc chloride) | 136.28 |
| C₆H₇N₃O (isoniazid) | 137.142 |