Answered: At 20°C, a 1.33 M aqueous solution of…

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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At 20°C, a 1.33 M aqueous solution of ammonium chloride has a density of 1.0198 g/mL What is the molality of ammonium chloride in the solution? The formula weight of NH4Cl is 53.50 g/mol

Group of answer choices

-1.33 m

-7.00 m

-1.41 m

-0.764 m

-0.0254 m

Expert Solution

Step 1: Given data

$D e n s i t y o f a m m o n i u m c h l o r i d e s o l u t i o n = 1.0198 g / m L ∴ M a s s o f 1 L (1000 m L) s o l u t i o n = d e n s i t y \times V o l u m e (m L) = 1.0198 g / m L \times 1000 m L = 1019.8 g$

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