Question

17.) 10 g sample of a mixture of CaCl2, and NaCl is treated to precipitate all the calcium as Caco3, This
Caco3, is heated to convert all the Ca to Cao and the final mass of CaO is 1.68 g. The percent by
mass of CaCl, in the original mixture is
(1) 33.3 %
(2) 16.2 %
(3) 30 %
(4) 11.0 %​

Answer 1

Answer:

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