Twenty-five grams calcium carbonate reacts completely with excess acid producing carbon dioxide occupying

A. 2.24 dm³

B. 5.60 dm³

✓

C. 11.2 dm³

D. 22.4 dm³

📝 Explanation

Twenty-five grams equal 0.25 mole CaCO₃. The same amount of CO₂ occupies 5.6 dm³ at STP.

📖 Additional Information

2.24 dm³
5.60 dm³
11.2 dm³
22.4 dm³

Twenty-five grams equal 0.25 mole CaCO₃. The same amount of CO₂ occupies 5.6 dm³ at STP.

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