Determine the Volume of O₂ (At STP)formed When 50

question 145

Multiple Choice

Determine the volume of O₂ (at STP) formed when 50.0 g of KClO₃ decomposes according to the following reaction.The molar mass for KClO₃ is 122.55 g/mol. 2 KClO₃(s) → 2 KCl(s) + 3 O₂(g)

• A) 9.14 L
• B) 8.22 L
• C) 12.3 L
• D) 13.7 L
• E) 14.6 L

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