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【Daily Question】Chemical Analysis Edition 2019.11.23

2019-11-23View Original

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This post was last edited by zjp on 2019-11-23 at 15:10. Multiple-choice question: In an acidic medium, when titrating an oxalate solution with KMnO4 solution, the titration should (). A. Carry out at room temperature. B. Carry out after boiling the solution. C. Boil the solution and then cool it to 85°C before proceeding. D. Carry out when the solution is heated to 75°C–85°C. E. Carry out when the solution is heated to 60°C. D
Reply #22019-11-23
 D. Carry out the process by heating the solution to 75°C–85°C
Reply #32019-11-24
D. Carry out the process by heating the solution to 75°C–85°C

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