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Question
Calculate the molecular mass of the following:
Mg3N2
Given atomic mass of Cu = 63·5, H = 1, O = 16, C = 12, N = 14, Mg = 24, S = 32
Solution
Molecular mass of Mg3N2
= (3 × 24) + (2 × 14)
= 72 + 28
= 100
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