Calculate the formula unit masses of ZnO, Na2O, K2Co3 given atomic masses of Zn=65 u, Na = 23 u, K = 39 u, C = 12u, and O = 16 u.

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Muskan Anand

2 years ago

The formula unit mass of           (i) ZnO = 65 u + 16 u =.81 u           (ii) Na2O = (23 u × 2) + .16 u : = 46u+ 161.u.                = 62 u           (iii) K2CO3 = (39 u × 2) + 12 u + 16 u × 3           = 75 u + 12u = 48u = 138u

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