Calculate the mass of 3.5 mol of zinc oxide ZnO.

Given:
n (ZnO) = 3.5 mol
Find: m (ZnO) -?
Decision:
m = n * M
M (ZnO) = M (Zn) + M (O) = 65 + 16 = 98 g / mol
m (ZnO) = 3.5 mol * 81 g / mol = 283.5 mol
Answer: m (ZnO) = 283.5 mol



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