Chemistry, asked by mohanchari2006, 19 days ago

calculation the molecules mass of the molescules Zno

Answers

Answered by mukeshkumarrai70152

1

Explanation:

Give atomic mass of Zn = 65u Na = 23u K = 39u C = 12u O = 16u.

Answer:

ZnO = (65 + 16)u = 81u.

Na2O = (46 + 16)u = 62u.

K2CO3 = (78 + 12 + 48)u = 138u.

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