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Chem P1 Mcq Help thread

help me with this please~ 17 A piece of rock has a mass of 2.00g. It contains calcium carbonate, but no other basic substances. It neutralises exactly 36.0cm3 of 0.500moldm–3 hydrochloric acid. What is the percentage of calcium carbonate in the 2.00g piece of rock? A 22.5% B 45.0% C 72.0% D 90.1%
- Symzyx
- Thread
- Feb 3, 2017
- Replies: 1
- Forum: Help, Ideas & Suggestions

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