A hot water bath was made by adding about 250-mL of distilled water to a 400-mL beaker. The beaker was placed on a hot plate and heated until the water was about 70oC.9.982 g KNO3 was added to a 25-mL graduated cylinder.About 8 mL of distilled water was added to the graduated cylinder and it was placed in the hot water bath. The mixture was stirred continuously with a temperature probe and heated until all the KNO3 dissolved. The solution was clear and colorless and the volume of this solution was 12.5 mL. (This initial solution is called Solution 1.)The graduated cylinder was removed from the hot water bath and, while continuing to stir, Solution 1 was allowed to cool. White crystals of KNO3 were first observed at 64.1oC. Solution 1Mass of KNO39.982 gVolume of Solution12.5 mLCrystallization temperature64.1 CCalculate the Ksp value for KNO3 at the crystallization temperature.

Interpretation: Ksp value for KNO3 is to be calculated Given Data: Mass of KNO3 = 9.982 g Volume of…

Answered: Solution 1 Mass of KNO3 9.982 g Volume…

Solution 1 Mass of KNO3 9.982 g Volume of Solution 12.5 mL Crystallization temperature 64.1 C Calculate the Ksp value for KNO3 at the crystallization temperature.

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter1: Introduction To Chemistry

Section: Chapter Questions

Problem 1.68QE

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

A hot water bath was made by adding about 250-mL of distilled water to a 400-mL beaker. The beaker was placed on a hot plate and heated until the water was about 70^oC.
9.982 g KNO3 was added to a 25-mL graduated cylinder.
About 8 mL of distilled water was added to the graduated cylinder and it was placed in the hot water bath. The mixture was stirred continuously with a temperature probe and heated until all the KNO3 dissolved. The solution was clear and colorless and the volume of this solution was 12.5 mL. (This initial solution is called Solution 1.)
The graduated cylinder was removed from the hot water bath and, while continuing to stir, Solution 1 was allowed to cool. White crystals of KNO3 were first observed at 64.1oC.

	Solution 1
Mass of KNO₃	9.982 g
Volume of Solution	12.5 mL
Crystallization temperature	64.1 C

Calculate the Ksp value for KNO₃ at the crystallization temperature.

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