You are given a solid that is a mixture of NaZSO4 and K2804. A 0.205 g sample of the mixture is dissolved in water. An excess of an aqueous solution
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You are given a solid that is a mixture of NaZSO4 and K2804. A 0.205 g sample of the mixture is dissolved in water. An excess of an aqueous solution of BaC12 is added. The BaSO4
that is formed is filtered, dried, and weighed. Its mass is 0.297 g. What mass of SO42— ion is in the sample? g 5042‘
What is the mass percent of SO42— ion in the sample?
7% 5042-
What are the percent compositions by mass of Na2804 and K2804 in the sample? % NazSO4 % K2504

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