Question

0
Calculate the molecular mass of ammonium carbonate [(NH4)2CO3).
(ii) Find the percentage of nitrogen in urea (NH2CONH2).
[H = 1, C = 12, N = 14, 0 = 16]​

Answer 1

Hey ,this is your answer.

(NH4)2CO3 :

N=14×2 =28

H=1×8 = 8

C=12×1=12

O=16×3=48

Molecular mass = 28+8+12+48 =96

(ans)