322 II. Calculations Show all of your work, where indicated, including any formulas, units, etc. Pay atten- tion to significant figures. A. Standardization of KMnO4 1. Using the two half-reactions in the introduction, balance the overall reaction which occurs between permanganate ion and iron(II). Show your method. Balanced eqn: 2. From your balanced equation, how many moles of iron(II) react per mole of MnO4? (This factor from the equation will be used in further calculations.) moles Fe2+/moles KMnO4 = 3. Calculation of the molarity of KMnO4. Show sample calculation-Trial 1. a. Moles ferrous ammonium sulfate in sample 1. b. Moles KMnO, required to react with Fe2+ in sample 1. C. Molarity of KMnO4 based on Trial 1. d. Results: Molarity KMnO4 Deviation Trial 1 Trial 2 Trial 3 Average

322 II. Calculations Show all of your work, where indicated, including any formulas, units, etc. Pay atten- tion to significant figures. A. Standardization of KMnO4 1. Using the two half-reactions in the introduction, balance the overall reaction which occurs between permanganate ion and iron(II). Show your method. Balanced eqn: 2. From your balanced equation, how many moles of iron(II) react per mole of MnO4? (This factor from the equation will be used in further calculations.) moles Fe2+/moles KMnO4 = 3. Calculation of the molarity of KMnO4. Show sample calculation-Trial 1. a. Moles ferrous ammonium sulfate in sample 1. b. Moles KMnO, required to react with Fe2+ in sample 1. C. Molarity of KMnO4 based on Trial 1. d. Results: Molarity KMnO4 Deviation Trial 1 Trial 2 Trial 3 Average

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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