Molar mass of hydrogen cyanide (HCN)

The molar mass of hydrogen cyanide (HCN) is 27.026 g/mol.

hydrocyanic acid · prussic acid

Step-by-step calculation

Element	Atoms	Atomic mass	Subtotal
Hydrogen	× 1	1.008	= 1.008
Carbon	× 1	12.011	= 12.011
Nitrogen	× 1	14.007	= 14.007
Total			27.026 g/mol

Percent composition by element

Hydrogen 3.73%
Carbon 44.44%
Nitrogen 51.83%

Try another formula

H₂O NaCl CO₂ C₆H₁₂O₆ H₂SO₄ Ca(OH)₂ CuSO₄·5H₂O C₈H₁₀N₄O₂

Could not read that formula

Related compounds

C₈H₁₀N₄O₂ Caffeine CO(NH₂)₂ Urea C₈H₉NO₂ Acetaminophen C₃H₅N₃O₉ Nitroglycerin C₇H₅N₃O₆ Trinitrotoluene (NH₄)₂CO₃ Ammonium carbonate

FAQ

What is the molar mass of HCN?

The molar mass of hydrogen cyanide (HCN) is 27.026 g/mol.

How do you calculate the molar mass of HCN?

Multiply the atomic mass of each element by the number of its atoms in HCN, then add the results: 1 × 1.008 (H) + 1 × 12.011 (C) + 1 × 14.007 (N) = 27.026 g/mol.

What percentage of HCN is Nitrogen?

Nitrogen makes up 51.83% of the mass of hydrogen cyanide (HCN).