Question

Find the ratio of no of molecules in 1g of nh3 and 1g n2

Answer 1

Explanation:

molecular mass of nh3=17

so 17 gm nh3 makes 6.023*10^23 molecules

so 1gm nh3 contains (6.023*10^2)/17 molecules

similarly 1gm N2 contains 6.023*10^23/28 molecules