The arsenic in a 1.223 g sample of a pesticide was converted to H3AsO4 by suitable treatment. The acid was then neutralized, and 40.00 mL of 0.07891 M AgNO3 was added to precipitate the arsenic quantitatively as Ag3AsO4. The excess Ag in the filtrate and washings from the precipitate was titrated with 11.27 mL of 0.1000 M KSCN; the reaction is:
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The arsenic in a 1.223 g sample of a pesticide was converted to H3AsO4 by suitable treatment. The ac...
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