Question

if 20% nitrogen is present in a compound its
minimum molecular weight will be
1) 144 2) 28 3 ) 100 4) 70​

Answer 1

The answer is : 4)70. It has been explained below:

Answer 2

Answer:

70

Explanation:

if 100g compound nirtogen is 20g;

here, 14g nitrogen must preswnt in this compoud

so the compound's wieght = (14×100)÷20 = 70