Question

Calculate the molecular mass of the following:
(i) Na2S04 .10H2O
(ii) (NH2)2CO3
(iii) (NH),CO
(iv) Mg₂N₂

Given atomic mass of Na = 23, H = 1, 0 = 16, C = 12, N = 14, Mg = 24, S = 32
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Answer 1

Answer:

see the following pic....