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When the following reaction took place at 23.8 and a pressure of 758 torr, 3.9 L of o2 were collected. What mass of KCIO3 decomposed?

KCIO3->KCI+O2

1 answer

Use PV = nRT and solve for n = mols O2 at the conditions listed. Use that and simple stoichiometry to solve for grams KClO3.
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