The arsenic in a 1.203-g sample was converted to H,AsO4 by suitable treatment. The acid was then neutralized, and 40.00 mL of 0.05871 M AgNO, was added to precipitate the ar- senic quantitatively as Ag3AsO4. The excess Ag* in the filtrate and in the washings from the precipitate was titrated with 9.63 mL of 0.1000 M KSCN, and the reaction was Ag* + SCN AgSCN(s)
The arsenic in a 1.203-g sample was converted to H,AsO4 by suitable treatment. The acid was then neutralized, and 40.00 mL of 0.05871 M AgNO, was added to precipitate the ar- senic quantitatively as Ag3AsO4. The excess Ag* in the filtrate and in the washings from the precipitate was titrated with 9.63 mL of 0.1000 M KSCN, and the reaction was Ag* + SCN AgSCN(s)
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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![2. The arsenic in a 1.203-g sample of a pesticide
was converted to H3ASO4 by suitable treatment.
The acid was then neutralized, and 40.00 mL of
0.05871 M AgNO, was added to precipitate the ar-
senic quantitatively as Ag,AsO4. The excess Ag* in
the filtrate and in the washings from the precipitate
was titrated with 9.63 mL of 0.1000 M KSCN, and
the reaction was
Ag* + SCN - AgSCN(s)
Find the percentage
of As,O, in the sample.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0aadce10-3a28-4136-ad70-375b790de3c0%2F24bea50b-d060-4d7e-8c2b-5c442cad1af5%2Fnkmsduf_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. The arsenic in a 1.203-g sample of a pesticide
was converted to H3ASO4 by suitable treatment.
The acid was then neutralized, and 40.00 mL of
0.05871 M AgNO, was added to precipitate the ar-
senic quantitatively as Ag,AsO4. The excess Ag* in
the filtrate and in the washings from the precipitate
was titrated with 9.63 mL of 0.1000 M KSCN, and
the reaction was
Ag* + SCN - AgSCN(s)
Find the percentage
of As,O, in the sample.
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