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1. What is the molality of a solution containing 48.2g of CaO in 392g of solvent? 2. What is the molality of a solution with 4.79 moles of solute in 2172g of solvent? 3. What is the mole fraction of solute and solvent in a solution made by mixing 2.78mol of salt in 8.34mol of water? 4. What is the mole fraction of solute and solvent in a solution made by mixing 167g C3H8 and 520g H2O?

1. What is the molality of a solution containing 48.2g of CaO in 392g of solvent? 2. What is the molality of a solution with 4.79 moles of solute in 2172g of solvent? 3. What is the mole fraction of solute and solvent in a solution made by mixing 2.78mol of salt in 8.34mol of water? 4. What is the mole fraction of solute and solvent in a solution made by mixing 167g C3H8 and 520g H2O?

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
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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Molality and mole fraction problem
1. What is the molality of a solution containing 48.2g of CaO in 392g of solvent? 2. What is the molality of a solution with 4.79 moles of solute in 2172g of solvent? 3. What is the mole fraction of solute and solvent in a solution made by mixing 2.78mol of salt in 8.34mol of water? 4. What is the mole fraction of solute and solvent in a solution made by mixing 167g C3H8 and 520g H2O? 5. What is the boiling point of a 1.42molal MgS solution? (Kbof water = 0.512°C/molality) 6. What is the freezing point of a 1.83molal C,H14 solution? (K{of water = 1.86°C/molality)
Transcribed Image Text:1. What is the molality of a solution containing 48.2g of CaO in 392g of solvent? 2. What is the molality of a solution with 4.79 moles of solute in 2172g of solvent? 3. What is the mole fraction of solute and solvent in a solution made by mixing 2.78mol of salt in 8.34mol of water? 4. What is the mole fraction of solute and solvent in a solution made by mixing 167g C3H8 and 520g H2O? 5. What is the boiling point of a 1.42molal MgS solution? (Kbof water = 0.512°C/molality) 6. What is the freezing point of a 1.83molal C,H14 solution? (K{of water = 1.86°C/molality)
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