References] An aqueous solution is made by dissolving 33.1 grams of a salt in 468 grams of water. (The molar mass of the salt is 81 g/mol.) What is the molality of the salt in the solution? Submit Answer Try Another Version 1 item attempt remaining
References] An aqueous solution is made by dissolving 33.1 grams of a salt in 468 grams of water. (The molar mass of the salt is 81 g/mol.) What is the molality of the salt in the solution? Submit Answer Try Another Version 1 item attempt remaining
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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An aqueous solution is made by dissolving 33.1 grams of a salt in 468 grams of water. (The molar mass of the salt is 81 g/mol.)
What is the molality of the salt in the solution?
Submit Answer
Try Another Version
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Transcribed Image Text:[References]
An aqueous solution is made by dissolving 33.1 grams of a salt in 468 grams of water. (The molar mass of the salt is 81 g/mol.)
What is the molality of the salt in the solution?
Submit Answer
Try Another Version
1 item attempt remaining
Expert Solution
Calculation
Mole of solute = gram weight / molar mass
= 33.1 / 81 = 0.4086
Molality = mole of solute / weight of solvent in Kg
Molality = 0.4086 mole / 0.468 Kg
= 0.87 mole / kg
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