10th Edition

ISBN: 9781305957404

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

Publisher: Cengage Learning

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Textbook Question

Chapter 4, Problem 121AE

Douglasite is a mineral with the formula 2KC1 FeCl₂ 2H₂O. Calculate the mass percent of douglasite in a 455.0-mg sample if it took 37.20 mL of a 0.1000-M AgNO₃ solution to precipitate all the Cl⁻ as AgCl. Assume the douglasite is the only source of chloride ion.

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Chapter 4 Solutions

Chemistry

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Douglasite is a mineral with the formula 2KC1 FeCl 2 2H 2 O. Calculate the mass percent of douglasite in a 455.0-mg sample if it took 37.20 mL of a 0.1000- M AgNO 3 solution to precipitate all the Cl − as AgCl. Assume the douglasite is the only source of chloride ion.

Solution Summary: The author explains that the mass percent of douglaiste can be calculated by taking the calculated mass of the sample to the total mass multiplied by 100.

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Chapter 4 Solutions