Chemical Composition Calculator

Convert between mole% and mass% basis for gas mixtures

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Composition

Compound Mole % Mass % MW (g/mol) LHV (MJ/kg) Remove

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Stream Properties

Average Molecular Weight
g/mol
Stream LHV (Mass Basis)
MJ/kg
Stream LHV (Volume Basis)
MJ/m³
Volume-basis LHV calculated at standard conditions: 0°C, 1 atm (molar volume = 22.414 L/mol)