What Volume of CO₂ Gas at 645 Torr and 800

question 40

Multiple Choice

What volume of CO₂ gas at 645 torr and 800. K could be produced by the decomposition of 45.0 g of CaCO₃? CaCO₃(s) → CaO(s) + CO₂(g)
(R = 0.08206 L • atm/K • mol)

• A) 0.449 L
• B) 22.4 L
• C) 25.0 L
• D) 34.8 L
• E) 45.7 mL

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