Question

calculate the number of molecules in each case
1)14 gm of nitrogen gas(N2)
2)3.4 gm of hydrogen sulphide(H2S)​

Answer 1

Answer:

1 molecule

Explanation:

mass of 1 molecule of N2 = 14g

given mass /molecular mass

14/14 = 1 molecule

Answer 2

Answer:

n1=1 n2=0.1

Explanation:

using n=wt/ gmw