Question

5. Explain
A. The need of the term average atomic
mass.
B. Molar mass.
C. Mole concept.
D. Formula mass with an example.
E. Molar volume of gas.
F. Types of matter (on the basis of chemical
composition)​

Answer 1

Explanation:

Molar mass:-mass of one mole of a substance in grams.

eg.H2o

1*2+16*1=18g

one mole of H is avagadro no.

Mole concept:-one mole of H =1 avagdro no.

1mol=6.022*10 ki power 3.

one mole is the amount of substance that contains as many particles as their are atom in 12g of carbon 12 isotops.