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A saturated solution of potassium nitrate dissolved in 250 grams of water is cooled from 50 °C to 10 °C. How many grams of potassium nitrate will be precipitated out of the solution as it cools?

A saturated solution of potassium nitrate dissolved in 250 grams of water is cooled from 50 °C to 10 °C. How many grams of potassium nitrate will be precipitated out of the solution as it cools?

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Solubility Curves Practice Use the solubility curves to 100 answer questions 1-10. 1. A saturated solution of potassium nitrate 90 NaNO 80 dissolved in 250 grams of water is cooled from 50 °C to 10 °C. How many grams of potassium nitrate will be precipitated out of the solution as it cools? 70 60 CaCl, 50 Pb(NO)2 2. 180 grams of lead (II) nitrate is added to 300 KCI grams of water at 10 °C. To what 40 NaCl temperature must the solution be raised in order to have a saturated solution with NO 30 EXCESS solid lead (II) nitrate present? 20 KCIO, 10 3. How many grams of potassium chlorate must be added to 270 grams of water in Ce,(SO,)3 10 20 30 40 50 60 70 80 90 100 order to have a saturated solution of Temperature (°C) potassium chlorate at 60 degrees Celsius? 4. If 285 grams of sodium chloride are put into 300 grams of water at 40 °C and stirred, will the solution be saturated, supersaturated, and unsaturated? 5. Which substance is the most soluble at 10 °C? 6. 100 mL of water at 50 degrees Celsius can hold grams of potassium chloride. 7. 100 mL of water at 80 degrees Celsius can hold grams of potassium chlorate. 8. How many grams of sodium nitrate will precipitate out of a 100-mL solution of sodium nitrate if the solution is cooled from 80 degrees Celsius to 30 degrees Celsius? 9. If 50 grams of potassium chloride are dissolved in 100 mL of water at 55 degrees Celsius, will the solution be saturated, supersaturated, or unsaturated? 10. At 40 degrees Celsius, how much Potassium Nitrate will dissolve in 500 g of water? Solubility (g of salt in 100 g H,O) KNO3
Transcribed Image Text:Solubility Curves Practice Use the solubility curves to 100 answer questions 1-10. 1. A saturated solution of potassium nitrate 90 NaNO 80 dissolved in 250 grams of water is cooled from 50 °C to 10 °C. How many grams of potassium nitrate will be precipitated out of the solution as it cools? 70 60 CaCl, 50 Pb(NO)2 2. 180 grams of lead (II) nitrate is added to 300 KCI grams of water at 10 °C. To what 40 NaCl temperature must the solution be raised in order to have a saturated solution with NO 30 EXCESS solid lead (II) nitrate present? 20 KCIO, 10 3. How many grams of potassium chlorate must be added to 270 grams of water in Ce,(SO,)3 10 20 30 40 50 60 70 80 90 100 order to have a saturated solution of Temperature (°C) potassium chlorate at 60 degrees Celsius? 4. If 285 grams of sodium chloride are put into 300 grams of water at 40 °C and stirred, will the solution be saturated, supersaturated, and unsaturated? 5. Which substance is the most soluble at 10 °C? 6. 100 mL of water at 50 degrees Celsius can hold grams of potassium chloride. 7. 100 mL of water at 80 degrees Celsius can hold grams of potassium chlorate. 8. How many grams of sodium nitrate will precipitate out of a 100-mL solution of sodium nitrate if the solution is cooled from 80 degrees Celsius to 30 degrees Celsius? 9. If 50 grams of potassium chloride are dissolved in 100 mL of water at 55 degrees Celsius, will the solution be saturated, supersaturated, or unsaturated? 10. At 40 degrees Celsius, how much Potassium Nitrate will dissolve in 500 g of water? Solubility (g of salt in 100 g H,O) KNO3
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