Question

Calculate the number of mole of N2, present in 42 g of it. What will be the
volume occupied by this much of the gas at STP ?
1+1=2
On​

Answer 1

Answer:

Number of moles of nitrogen =

28

7

=

4

1

moles

As we know, one mole occupies 22.4 litre volume.

Therefore,

4

1

mole will occupy, V=

4

22.4

=5.6 litre