Question

Calculate molar mass of ZnO , Na2O , K2CO3
Given atomic mass of Zn = 65 u ; Na =23 ; k =39 ; C =12 and O =16 u​

Answer 1

decorate karna Tumne de sakte ho Bina baat ka ka kam ka time kar rahe ho

Answer 2

ANSWER :-

The formula unit mass of

(i) ZnO = 65 u + 16 u = 81 u

(ii) Na2O = (23 u x 2) + 16 u = 46 u + 16 u = 62 u

(iii) K2C03 = (39 u x 2) + 12 u + 16 u x 3

= 78 u + 12 u + 48 u = 138 u