Question

20. A 10.0 g sample of a mixture of calcium chloride and sodium chloride is treated with Na2CO,to
precipitate the calcium as calcium carbonate. This Caco, is heated to convert all the calcium
to CaO and the final mass of CaO is 1.62 gms. The % by mass of CaCl, in the original mixture is
(a) 15.2%
(b) 32.1%
(c) 21.8%
(d) 11.07%​

Answer 1

Answer:

option B

32.1%

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