Chemistry, asked by neyantalama3979, 10 months ago

Calculate the formula masses of:
Na2SO4, ZnSO4 and CuCO3.

Answers

Answered by Anonymous

13

Answer:

a=142 , b=161 , c=100

Explanation:

Na=23 , S=32 , O=32 Zn=65 , Cu=64 , C=12

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