# Distinguish between molecular mass and molar mass.

2
by RAHUL1111111

2016-03-31T15:55:06+05:30
Molecular mass is the computed mass from a molecular formula. Always remember that molecular formula shows the actual number of atoms in a substance. It is different from empirical formula as it only shows the ratio between atoms in a substance.
Molar mass is the mass of a substance depending on how many moles of substance is taken into consideration.

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2016-04-01T15:52:42+05:30
Molecular mass is the computed mass from a molecular formula. Always remember that molecular formula shows the actual number of atoms in a substance. It is different from empirical formula as it only shows the ratio between atoms in a substance.
Ex.
[molecular formula] H2O2: 34 g
[empirical formula] HO: 17 g

Molar mass is the mass of a substance depending on how many moles of substance is taken into consideration.
Ex.
A mole of H2O: 18 g
Two moles of H2O: 32 g
Three moles of H2O: 44 g
and so on.