Formula mass: Na, 22.99; Cl, 35.45; K, 39.10; Br, 79.90; NaCl, 58.44; KBr, 119.00, AgCl, 143.32; and AgBr, 187.77A 0.3146 g sample of a mixture of NaCl and KBr was dissovled in water. The resulting solution was then titrated with AgNO3 to completely preceipate the Cl- and Br- ions, producing 0.6824 g of precipitate (which were the mixture of AgCl and AgBr). Calculate the mass percent of sodium in the mixture.

0.3146 g sample of a mixture of NaCl and KBr 0.6824 g of precipitate mixture of AgCl and AgBr

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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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Formula mass: Na, 22.99; Cl, 35.45; K, 39.10; Br, 79.90; NaCl, 58.44; KBr, 119.00, AgCl, 143.32; and AgBr, 187.77

A 0.3146 g sample of a mixture of NaCl and KBr was dissovled in water. The resulting solution was then titrated with AgNO₃ to completely preceipate the Cl^- and Br^- ions, producing 0.6824 g of precipitate (which were the mixture of AgCl and AgBr). Calculate the mass percent of sodium in the mixture.

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