Molar Mass of CaHPO4 (Dicalcium Phosphate)

Molar Mass Calculator

What is the molar mass of CaHPO₄?

Answer

M(CaHPO₄) =

136.056 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024).

Contribution of each element
Element	Atoms, n	Atomic weight, A	n × A, g/mol Mass fraction, w	Mass fraction, w
Cacalcium	1	40.078	40.078 w ≈ 29.46%	≈ 29.46%
Hhydrogen	1	1.0080	1.0080 w ≈ 0.74%	≈ 0.74%
Pphosphorus	1	30.974	30.974 w ≈ 22.77%	≈ 22.77%
Ooxygen	4	15.999	63.996 w ≈ 47.04%	≈ 47.04%
Σ = 136.056 g/mol w = 100%				100%

Each fraction is rounded on its own, so the printed ones add up to 100.01%; unrounded, they make exactly 100%.

Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)

Mass fractions of the elements

O 47.04%

Ca 29.46%P 22.77%H 0.74%

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Molar masses of substances nearby

Formula	M, g/mol
CuCl₂ (cupric chloride)	134.45
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

FAQ

What is the molar mass of CaHPO4?

M(CaHPO₄) = 136.056 g/mol

How to calculate the molar mass of CaHPO₄?

Add up the atomic weights of all the atoms in the formula: 40.078 + 1.0080 + 30.974 + 4 × 15.999 = 136.056 g/mol.

How many grams are in 2 moles of CaHPO₄?

m = n × M = 2 mol × 136.056 g/mol = 272.112 g.

See Also