Calculate the formula unit masses of ZnO, Na_2O, K_2CO_3, given atomic masses of Zn=65 u, N a=23 ...

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Calculate the formula unit masses of ZnO, Na_2O, K_2CO_3, given atomic masses of Zn=65 u, N a=23 u, K=39 u, C=12 u, and O=16 u

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