Chemistry

Mole Fraction

Fraction of moles of one component.

Formula

Formula
x = n_An_A + n_B

Variables

SymbolDefinitionType & rangeUnitsRole
n_A moles of A computed result result
n_B moles of B computed result result

Try it yourself

Interactive calculator
Result

Worked examples

Example 1
Givenmoles A = 2, moles B = 3
Result0.4
Example 2
Givenmoles A = 1, moles B = 1
Result0.5