44. Solving a chemistry problem

44. Solving a chemistry problem

31. Using the data in Table 3, calculate the weight of the test sample (in parentheses is the approximate percentage of the analyte) required to obtain a certain amount of the weight form.
Table 3

Task No. Test sample Analyte substance Weight form
Formula Approximate content, % Formula Weight, g
1 2 3 4 5 6
31 BaCl2∙2H2O in BaCl2 mixture 50 BaSO4 0.1

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