Molar Mass of CH3COOK (Potassium Acetate)

Molar Mass Calculator

What is the molar mass of CH₃COOK?

Answer

M(CH₃COOK) =

98.142 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	2	12.011	24.022 w ≈ 24.48%	≈ 24.48%
Hhydrogen	3	1.0080	3.0240 w ≈ 3.08%	≈ 3.08%
Ooxygen	2	15.999	31.998 w ≈ 32.60%	≈ 32.60%
Kpotassium	1	39.098	39.098 w ≈ 39.84%	≈ 39.84%
Σ = 98.142 g/mol w = 100%				100%

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

Mass fractions of the elements

K 39.84%

O 32.60%C 24.48%H 3.08%

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Molar masses of substances nearby

Formula	M, g/mol
H₃PO₄ (phosphoric acid)	97.994
C₄H₂O₃ (maleic anhydride)	98.057
H₂SO₄ (sulfuric acid)	98.07
CH₃COOK (potassium acetate)	98.142
C₆H₁₀O (cyclohexanone)	98.145
COCl₂ (phosgene)	98.91
CuCl (cuprous chloride)	99.00

FAQ

What is the molar mass of CH3COOK?

M(CH₃COOK) = 98.142 g/mol

How to calculate the molar mass of CH₃COOK?

Add up the atomic weights of all the atoms in the formula: 2 × 12.011 + 3 × 1.0080 + 2 × 15.999 + 39.098 = 98.142 g/mol.

How many grams are in 2 moles of CH₃COOK?

m = n × M = 2 mol × 98.142 g/mol = 196.284 g.

See Also