19. Solving a chemistry problem

19. Solving a chemistry problem

5. How much of a substance containing 60% NaCl and 37% KCl should be taken for analysis so that under the action of 25 ml of a 0.1 N AgNO3 solution. Was the excess Ag+ titrated with 5 ml of NH4SCN solution (1 ml of NH4SCN is equivalent to 1.10 ml of AgNO3)?

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