Question 1 What is gram molecular mass?
Gram Molecular mass
The amount of a substance whose mass in grams is numerically equal to its molecular mass,is called gram molecular mass of that substance.
The molecular mass of a substance expressed in grams is called gram molecular mass.
To write gram molecular mass of a substance ,we write its molecular mass and then replace the unit u by the word gram or its symbol g.
For Ex: Molecular mass of oxygen = 32u
Gram molecular mass of oxygen=32 g
The gram molecular mass of a substance represents the mass of 1 mole of molecules of that substance.