A 50-g sample of impure KClO3 (solubility = 7.1 g per 100 g H2O at 20 degrees C) is contaminated with 10 percent of KCl (solubility = 25.5 g per 100 g of H2O at 20 degrees C). Calculate the minimum quantity of 20 degrees C water needed to dissolve all the KCl from the sample. How much KClO3 will be after this treatment?

Since the sample is having 10 % KCl. Hence mass of KCl = 10 % of sample mass = 50 X 10 / 100 = 5 g…

Answered: A 50-g sample of impure KClO3…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter13: The Chemistry Of Solutes And Solutions

Section: Chapter Questions

Problem 113QRT: A 0.250-M sodium sulfate solution is added to a 0.200-M barium nitrate solution and 0.700 g barium...

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A 50-g sample of impure KClO₃ (solubility = 7.1 g per 100 g H₂O at 20 degrees C) is contaminated with 10 percent of KCl (solubility = 25.5 g per 100 g of H₂O at 20 degrees C). Calculate the minimum quantity of 20 degrees C water needed to dissolve all the KCl from the sample. How much KClO₃ will be after this treatment?

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