Answer the following question briefly:
Calculate the formula unit masses of \(ZnO\), \(Na_2O\), \(K_2CO_3\).
Atomic masses of Zn = 65 u, Na = 23 u, K = 39 u, C = 12 u, and O = 16 u, S = 32, Al = 27, Cu = 63.5, H = 1.
The formula unit mass of
i. \(ZnO\) =
ii. \(Na_2CO_3.10H_2O\) =