A 10.0 g sample of a mixture of calcium chloride and sodium chloride is treated with Na2CO3 to
precipitate the calcium as calcium carbonate. This CaCO3 is heated to convert all the calcium to
Cao and the final mass of CaO is 1.62 gms. The % by mass of CaCl2 in the original mixture is :
(A) 15.2%
(B) 32.1%
(C) 21.8%
(D) 11.07%
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Explanation:
the answer is your question is B
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