92% pure Sodium carbonate is used in the reation Na2CO3 + CaCl2 →CaCO3 + 2NaCl. The number of grams of Na2CO3 required to yield one gram of CaCO3

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8.5g

10.5g

11.52g

1.152g

answer is D.

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Detailed Solution

But the purity of Na2CO3 is only 92% thus more than 1.06g of Na2CO3 is requied to produce 1gram of CaCO3 Wt of Na2CO3 required = = 1.152g

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