Hydrogen peroxide (M = 34.02) decomposes to give water and oxygen gas. How much 3.00% by mass aqueou — Stoichiometry Chemistry Question
Question
Hydrogen peroxide (M = 34.02) decomposes to give water and oxygen gas. How much 3.00% by mass aqueous H2O2 must decompose to afford 4.00 L of dry O2 at STP?
A.
6.08 g
B.
101 g
C.
203 g
D.✓ Correct
405 g
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