Question

IA10g sample of a mixture of calcic

Answer 1

Answer:

10 g of sample of mixture of Cacl2 and Nacl is treated to precipitate alll the calcium as CaCo3. this CaCo3 is heated to convert all the Ca to Cao and the final mass of CaO is 1.62g. the precent by mass of Cacl2 in the original mixture.

Explanation:

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Answer 2

Answer:

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