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(a) Potassium iodate solution was prepared by dissolving 1.022 g of KIO3 (FM 214.00) in

Quantitative Chemical Analysis | 8th Edition | ISBN: 9781429218153 | Authors: Daniel C. Harris ISBN: 9781429218153 475

Solution for problem 15-25 Chapter Chapter 15

Quantitative Chemical Analysis | 8th Edition

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Quantitative Chemical Analysis | 8th Edition | ISBN: 9781429218153 | Authors: Daniel C. Harris

Quantitative Chemical Analysis | 8th Edition

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Problem 15-25

(a) Potassium iodate solution was prepared by dissolving 1.022 g of KIO3 (FM 214.00) in a 500-mL volumetric flask. Then 50.00 mL of the solution were pipetted into a flask and treated with excess KI (2 g) and acid (10 mL of 0.5 M H2SO4). How many moles of I3 are created by the reaction?

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Solution: homogenous mixture, in which the components are uniformly intermingled, can be gas, liquid, or solid l Solvent: substance present in largest amount l Solutes: other substances involved l Aqueous solutions: solutions with water as the solvent Solubility l Like dissolves like: a given solvent usually dissolves solutes that have polarities similar to its own l When solid sodium chloride dissolves, the ions are dispersed randomly throughout the solution l Polar water molecules interact with the positive and negative ions of salt. These interactions replace the strong ionic forces holding the ions together in the undissolved solid, thus assisting in the dissolving process l Ethanol molecule contains a polar O-H bond like water, which makes

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Chapter Chapter 15, Problem 15-25 is Solved
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Textbook: Quantitative Chemical Analysis
Edition: 8
Author: Daniel C. Harris
ISBN: 9781429218153

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(a) Potassium iodate solution was prepared by dissolving 1.022 g of KIO3 (FM 214.00) in