Molar Mass of CHKO2 (Potassium Formate)

Molar Mass Calculator

What is the molar mass of CHKO₂?

Answer

M(CHKO₂) =

84.115 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
Ccarbon	1	12.011	12.011 w ≈ 14.28%	≈ 14.28%
Hhydrogen	1	1.0080	1.0080 w ≈ 1.20%	≈ 1.20%
Kpotassium	1	39.098	39.098 w ≈ 46.48%	≈ 46.48%
Ooxygen	2	15.999	31.998 w ≈ 38.04%	≈ 38.04%
Σ = 84.115 g/mol w = 100%				100%

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

Mass fractions of the elements

K 46.48%O 38.04%

C 14.28%H 1.20%

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Molar masses of substances nearby

Formula	M, g/mol
Kr (krypton)	83.798
AlF₃ (aluminum fluoride)	83.976
NaHCO₃ (sodium bicarbonate)	84.006
CHKO₂ (potassium formate)	84.115
C₆H₁₂ (cyclohexane)	84.162
MgCO₃ (magnesium carbonate)	84.313
HClO₃ (chloric acid)	84.46

FAQ

What is the molar mass of CHKO2?

M(CHKO₂) = 84.115 g/mol

How to calculate the molar mass of CHKO₂?

Add up the atomic weights of all the atoms in the formula: 12.011 + 1.0080 + 39.098 + 2 × 15.999 = 84.115 g/mol.

How many grams are in 2 moles of CHKO₂?

m = n × M = 2 mol × 84.115 g/mol = 168.230 g.

See Also