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The arsenic in a 1.209-g sample of a pesticide was converted to H3 AsO4 by suitable treatment. The acid was then neutralized, and 43.00 ml of 0.05829 M AgNO3 was added to precipitate the arsenic quantitatively as Ag3 AsO4. The excess Ag in the filtrate and in the washings from the precipitate was titrated with 9.83 mL of 0.1000 M KSCN, and the reaction was Ag+ + SCN → AGSCN Find the percentage of As2 O3 in the sample. Percentage of As2 O3 = %

The arsenic in a 1.209-g sample of a pesticide was converted to H3 AsO4 by suitable treatment. The acid was then neutralized, and 43.00 ml of 0.05829 M AgNO3 was added to precipitate the arsenic quantitatively as Ag3 AsO4. The excess Ag in the filtrate and in the washings from the precipitate was titrated with 9.83 mL of 0.1000 M KSCN, and the reaction was Ag+ + SCN → AGSCN Find the percentage of As2 O3 in the sample. Percentage of As2 O3 = %

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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The arsenic in a 1.209-g sample of a pesticide was converted to H3 AsO4 by suitable treatment. The acid was then neutralized, and 43.00 mL of 0.05829 M AgN03 was added to precipitate the arsenic quantitatively as Ag3 AsO4. The excess Ag in the filtrate and in the washings from the precipitate was titrated with 9.83 mL of 0.1000 M KSCN, and the reaction was Ag+ + SCN → AgSCN Find the percentage of As2 O3 in the sample. Percentage of As2O3 = %
Transcribed Image Text:The arsenic in a 1.209-g sample of a pesticide was converted to H3 AsO4 by suitable treatment. The acid was then neutralized, and 43.00 mL of 0.05829 M AgN03 was added to precipitate the arsenic quantitatively as Ag3 AsO4. The excess Ag in the filtrate and in the washings from the precipitate was titrated with 9.83 mL of 0.1000 M KSCN, and the reaction was Ag+ + SCN → AgSCN Find the percentage of As2 O3 in the sample. Percentage of As2O3 = %
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