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7. What mass of potassium nitrate (KNO3) will dissolve in 200 grams of water at 60°C? 8. Determine the mass of sodium chloride (NaCl) that will dissolve in 125 grams of water at 70°C. 9. How many grams of ammonium chloride (NH4CI) will dissolve in 50 grams of water at 45°C?

7. What mass of potassium nitrate (KNO3) will dissolve in 200 grams of water at 60°C? 8. Determine the mass of sodium chloride (NaCl) that will dissolve in 125 grams of water at 70°C. 9. How many grams of ammonium chloride (NH4CI) will dissolve in 50 grams of water at 45°C?

Chemistry
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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7. What mass of potassium nitrate (KNO3) will dissolve in 200 grams of water at 60°C? 8. Determine the mass of sodium chloride (NaCl) that will dissolve in 125 grams of water at 70°C. 9. How many grams of ammonium chloride (NH4CI) will dissolve in 50 grams of water at 45°C? 10. Calculate the mass of sodium nitrate (NaNO3) that will dissolve in 75 grams of water at 20°C.
Transcribed Image Text:7. What mass of potassium nitrate (KNO3) will dissolve in 200 grams of water at 60°C? 8. Determine the mass of sodium chloride (NaCl) that will dissolve in 125 grams of water at 70°C. 9. How many grams of ammonium chloride (NH4CI) will dissolve in 50 grams of water at 45°C? 10. Calculate the mass of sodium nitrate (NaNO3) that will dissolve in 75 grams of water at 20°C.
Grams of solute / 100 g H₂O 150 140 130 120 110 100 90 80 70 60 Solubility Curves NaNO3 ΚΝΟ. NHẠC NH3 HCI KCI 50 40 NaCl 30 KCIO, 20 10 SO₂ 0 10 20 30 40 50 60 70 80 90 100 Temperature °C Solubility Curves: graphs comparing the amount of solute that will dissolve in a given amount of solvent at various temperatures
Transcribed Image Text:Grams of solute / 100 g H₂O 150 140 130 120 110 100 90 80 70 60 Solubility Curves NaNO3 ΚΝΟ. NHẠC NH3 HCI KCI 50 40 NaCl 30 KCIO, 20 10 SO₂ 0 10 20 30 40 50 60 70 80 90 100 Temperature °C Solubility Curves: graphs comparing the amount of solute that will dissolve in a given amount of solvent at various temperatures
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