Molar mass of hydrofluoric acid (HF)

The molar mass of hydrofluoric acid (HF) is 20.006 g/mol.

hydrogen fluoride

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Hydrogen × 1 1.008 = 1.008
Fluorine × 1 18.998 = 18.998
Total20.006 g/mol

Percent composition by element

  • Hydrogen 5.04%
  • Fluorine 94.96%

Try another formula

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

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Related compounds

NaOH Sodium hydroxide NH3 Ammonia H2O Water H2SO4 Sulfuric acid HCl Hydrochloric acid H2 Hydrogen gas

FAQ

What is the molar mass of HF?

The molar mass of hydrofluoric acid (HF) is 20.006 g/mol.

How do you calculate the molar mass of HF?

Multiply the atomic mass of each element by the number of its atoms in HF, then add the results: 1 × 1.008 (H) + 1 × 18.998 (F) = 20.006 g/mol.

What percentage of HF is Fluorine?

Fluorine makes up 94.96% of the mass of hydrofluoric acid (HF).