Molar Mass of NaHCO3 (Sodium Bicarbonate)

Molar Mass Calculator

What is the molar mass of NaHCO₃?

Answer

M(NaHCO₃) =

84.006 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
Nasodium	1	22.990	22.990 w ≈ 27.37%	≈ 27.37%
Hhydrogen	1	1.0080	1.0080 w ≈ 1.20%	≈ 1.20%
Ccarbon	1	12.011	12.011 w ≈ 14.30%	≈ 14.30%
Ooxygen	3	15.999	47.997 w ≈ 57.14%	≈ 57.14%
Σ = 84.006 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 57.14%

Na 27.37%C 14.30%H 1.20%

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Molar masses of substances nearby

Formula	M, g/mol
C₆H₁₀ (cyclohexene)	82.146
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

FAQ

What is the molar mass of NaHCO3?

M(NaHCO₃) = 84.006 g/mol

How to calculate the molar mass of NaHCO₃?

Add up the atomic weights of all the atoms in the formula: 22.990 + 1.0080 + 12.011 + 3 × 15.999 = 84.006 g/mol.

How many grams are in 2 moles of NaHCO₃?

m = n × M = 2 mol × 84.006 g/mol = 168.012 g.

See Also