Anonymous
Anonymous asked in Science & MathematicsChemistry · 1 month ago

Decomposition Chemistry Question?

Decomposition of H2O2 can be sped up using MnO2.

Determine the mass obtained of O2 and H2O respectively if 5.00g of H2O2 is decomposed.

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  • 1 month ago
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    2 H2O2 → O2 + 2 H2O

    (5.00 g H2O2) / (34.01468 g H2O2/mol) x (1 mol O2 / 2 mol H2O2) x

    (31.99886 g O2/mol) = 2.35 g O2

    (5.00 g total) - (2.35 g O2) = 2.65 g H2O

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