A mixture of BaCl2 and NaCl is analyzed by precipitating all the barium as BaSO4.After addition of an excess of Na2SO4 to a 3.725-g sample of the mixture,the mass of precipitate collected is 2.734 g.What is the mass percentage of barium chloride in the mixture?
A) 82.28%
B) 73.40%
C) 43.18%
D) 65.47%
E) 19.60%
Correct Answer:
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