Molar Mass of H2CrO4 (Chromic Acid)

Molar Mass Calculator

What is the molar mass of H₂CrO₄?

Answer

M(H₂CrO₄) =

118.008 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
Hhydrogen	2	1.0080	2.0160 w ≈ 1.71%	≈ 1.71%
Crchromium	1	51.996	51.996 w ≈ 44.06%	≈ 44.06%
Ooxygen	4	15.999	63.996 w ≈ 54.23%	≈ 54.23%
Σ = 118.008 g/mol w = 100%				100%

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

Mass fractions of the elements

O 54.23%Cr 44.06%

H 1.71%

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Molar masses of substances nearby

Formula	M, g/mol
C₅H₁₁NO₂ (L-valine)	117.148
C₈H₇N (1H-indole)	117.151
NH₄ClO₄ (ammonium perchlorate)	117.49
H₂CrO₄ (chromic acid)	118.008
C₄H₆O₄ (succinic acid)	118.088
NiCO₃ (nickel(II) carbonate)	118.701
Sn (tin)	118.71

FAQ

What is the molar mass of H2CrO4?

M(H₂CrO₄) = 118.008 g/mol

How to calculate the molar mass of H₂CrO₄?

Add up the atomic weights of all the atoms in the formula: 2 × 1.0080 + 51.996 + 4 × 15.999 = 118.008 g/mol.

How many grams are in 2 moles of H₂CrO₄?

m = n × M = 2 mol × 118.008 g/mol = 236.016 g.

See Also