If a 25.00 ml aliquot of a solution containing sulfide ions was added to 25.00 ml of 0.0134 M Cu2+ solution. The CuS precipitate was washed and collected. The pH of the combined filtrate and washings was then adjusted by the addition of ammonia and the solution was titrated with 0.01453 M EDTA, using a suitable indicator. The endpoint volume was found to be 11.13ml. Find the molarity of the sulfide in the sample solution.
If a 25.00 ml aliquot of a solution containing sulfide ions was added to 25.00 ml of 0.0134 M Cu2+ solution. The CuS precipitate was washed and collected. The pH of the combined filtrate and washings was then adjusted by the addition of ammonia and the solution was titrated with 0.01453 M EDTA, using a suitable indicator. The endpoint volume was found to be 11.13ml. Find the molarity of the sulfide in the sample solution.
Chapter16: Applications Of Neutralization Titrations
Section: Chapter Questions
Problem 16.20QAP
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If a 25.00 ml aliquot of a solution containing sulfide ions was added to 25.00 ml of 0.0134 M Cu2+ solution. The CuS precipitate was washed and collected. The pH of the combined filtrate and washings was then adjusted by the addition of ammonia and the solution was titrated with 0.01453 M EDTA, using a suitable indicator. The endpoint volume was found to be 11.13ml. Find the molarity of the sulfide in the sample solution.
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