A. 0.05 mol-³ HCI and 5g powdered CaCO3
B. 0.05 mol-³ HCI and 5g lump CaCO3
C. 0.10 mol-³ HCI and 5g powdered CaCO3
D. 0.025 mol-³ HCI and 5g powdered CaCO3

Correct Answer:

Option C = 0.10 mol-³ HCI and 5g powdered CaCO3

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