Chemistry

Moles from Mass

Number of moles from mass and molar mass.

Formula

Formula
n = mM

Variables

SymbolDefinitionType & rangeUnitsRole
m mass (g) real number (ℝ) g input
M molar mass (g/mol) real number (ℝ) g input

Try it yourself

Interactive calculator
Result

Worked examples

Example 1
Givenmass (g) = 18, molar mass (g/mol) = 18.015
Result0.9991673605
Example 2
Givenmass (g) = 58.44, molar mass (g/mol) = 58.44
Result1