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【Daily Question】Chemical Analysis Edition, 11.21.2019

2019-11-21View Original

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This post was last edited by zjp on 2019-11-21 08:08. Multiple-choice question: When using sodium oxalate as a benchmark to standardize the potassium permanganate standard solution, the reaction rate is slow at first; later on, the reaction rate increases significantly. What is it that acts as a catalyst in this process? A. Hydrogen ions B. MnO4- C. Mn2+ D. CO2   C

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