Question

Calculate the formula unit mass of ZnO, Na2O and K2CO3. (Atomic mass of Zn=65u, Na=23 u, K=39u, C=12u, O=16u)​

Answer 1

Answer:

ZnO=81 u

Na2O=62 u

K2CO3=138 u

Explanation:

As we know,

Unit mass=Sum of the mass of atoms..

Zn(65)+O(16)=81 u

Na(23)*2+O(16)=62u

K(39)*2+C(12)+O(16)*3=138u

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