Question

What is the formula mass unit of ZnO? no​

Answer 1

81u

So, from above calculation we can say that formula unit mass of ZnOis 81u, formula unit mass of Na2O is 62u and formula unit mass of K2CO3is 138u.

Answer 2

Answer:

Formula unit mass of ZnO = ( atomic mass of Zn ) + ( atomic mass of O )

= ( 65 + 16 )u = 81u.

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