Potassium iodate solution was prepared by dissolving 1.022 g of KIO3 (214.00 g/mol) in a 500-mL volumetric flask. Then 50.00 mL of the solution were pipetted into a flask and treated with excess KI and acid (H2SO4), liberating triiodide, I. 103- + 81-+ 6H 313- + 3H20 How many moles of I3 are created by the reaction in the treated aliquot? a) 0.0002865 mol b) 0.001433 mol c) 0.09551 mol d) 0.3333 mol e) 3.000 mol The 50-mL solution above was then used to standardize sodium thiosulfate, Na2S203 where titration required 37.66 mL. What is the concentration of the Na2S2O3 solution? 13 + 2S2032- = 31- + S,06?- a) 0.01902 M b) 0.02168 M c) 0.05731 M d) 0.07609 M e) 0.1141 M

Potassium iodate solution was prepared by dissolving 1.022 g of KIO3 (214.00 g/mol) in a 500-mL volumetric flask. Then 50.00 mL of the solution were pipetted into a flask and treated with excess KI and acid (H2SO4), liberating triiodide, I. 103- + 81-+ 6H 313- + 3H20 How many moles of I3 are created by the reaction in the treated aliquot? a) 0.0002865 mol b) 0.001433 mol c) 0.09551 mol d) 0.3333 mol e) 3.000 mol The 50-mL solution above was then used to standardize sodium thiosulfate, Na2S203 where titration required 37.66 mL. What is the concentration of the Na2S2O3 solution? 13 + 2S2032- = 31- + S,06?- a) 0.01902 M b) 0.02168 M c) 0.05731 M d) 0.07609 M e) 0.1141 M

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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