How many grams of SO2 are obtained from 64 g of oxygen …

univerkov | September 9, 2021 | education

O2 + S → SO ↑
Formulas required to solve: n = m / M; m = n * M.

M (O2) = 16 * 2 = 32 g / mol.
n (O2) = 64 g / (32g / mol) = 2 mol.
n (O2) = n (SO2) = 2 mol.
M (SO2) = 32 + 16 * 2 = 64 g / mol.
m (SO2) = 2 mol * 64 (g / mol) = 128 g.

Answer: m (SO2) = 128 g.

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