103. Solving a chemistry problem
9. Calculate the mass of a mixture containing 45.00% KBr, 48.00% NaBr, and 7.00% indifferent impurities so that 21.25 ml of 0.04966 N is consumed during mercurimetric titration. Hg(NO3)2 (feqv = 1/2). Answer: 0.1267 g.
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