Question

- Calculate the mass of:
(i) 0.2 mole of N2 gas?​

Answer 1

Answer:

Mass= molar mass ×no.of moles

m=M×n=28×0.2=5•6g.

Answer 2

Answer:

Mass =molar mass ×no. of moles

M=M×N

=28×0.2

=5.6 g (ans)