K2C204 • H2Olag) + CaCl2 • 2H2O(ag) → CaC2O4 • H2O(s) + 2KCI(ag) + 2H2O) Unspecified amounts of CaCl2 • 2H2O and K2C2O4 • H2O were reacted and the calcium oxalate precipitate was allowed to settle to the bottom of the beaker. Two samples of clear supernatant were tested for the presence of unreacted ions by adding calcium chloride to one sample and potassium oxalate to the other. The sample in which calcium chloride was added showed the formation of a white precipitate whereas the sample in which potassium oxalate was added remained a clear solution. From this profile,
K2C204 • H2Olag) + CaCl2 • 2H2O(ag) → CaC2O4 • H2O(s) + 2KCI(ag) + 2H2O) Unspecified amounts of CaCl2 • 2H2O and K2C2O4 • H2O were reacted and the calcium oxalate precipitate was allowed to settle to the bottom of the beaker. Two samples of clear supernatant were tested for the presence of unreacted ions by adding calcium chloride to one sample and potassium oxalate to the other. The sample in which calcium chloride was added showed the formation of a white precipitate whereas the sample in which potassium oxalate was added remained a clear solution. From this profile,
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter20: Environmental Chemistry-earth's Environment, Energy, And Sustainability
Section: Chapter Questions
Problem 50IL
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