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?94IEA 25.0-mL sample of 0.050 M barium nitrate solution
Chapter , Problem 94IE(choose chapter or problem)
94IE
A 25.0-mL sample of 0.050 M barium nitrate solution was mixed with 25.0 mL of 0.050 M sodium sulfate solution labeled with radioactive sulfur-35. The activity of the initial sodium sulfate solution was 1.22 x 106 Bq/mL. After the resultant precipitate was removed by filtration, the remaining filtrate was found to have an activity of 250 Bq/mL. (a) Write a balanced chemical equation for the reaction that occurred.
(b) Calculate the Ksp for the precipitate under the conditions of the experiment.
Questions & Answers
QUESTION:
94IE
A 25.0-mL sample of 0.050 M barium nitrate solution was mixed with 25.0 mL of 0.050 M sodium sulfate solution labeled with radioactive sulfur-35. The activity of the initial sodium sulfate solution was 1.22 x 106 Bq/mL. After the resultant precipitate was removed by filtration, the remaining filtrate was found to have an activity of 250 Bq/mL. (a) Write a balanced chemical equation for the reaction that occurred.
(b) Calculate the Ksp for the precipitate under the conditions of the experiment.
ANSWER:
Problem 94IEA 25.0-mL sample of 0.050 M barium nitrate solution was mixed with 25.0 mL of 0.050 Msodium sulfate solution labeled with radioactive sulfur-35. The activity of the initial sodiumsulfate solution was 1.22 x 106 Bq/mL. After the resultant precipitate was removed byfiltration, the remaining filtrate was found to have an activity of 250 Bq/mL. (a)