0.25g of a certain substance is dissolved in 60g of water. The freezing point of the solution is - 0.050 °C. Knowing that the substance has a van't Hoff factor of 1 and is non-volatile, what is the molar mass of the substance? (Freezing point depression of water = - 1.86 °C/m) A. 0,00016 g/mol B. 156.25 g/mol C. 186.54 g/mol D. 1.86 g/mol What is the osmotic pressure (at 20 °C) of a solution made by dissolving 13g of sucrose in 117g of water? The total volume
0.25g of a certain substance is dissolved in 60g of water. The freezing point of the solution is - 0.050 °C. Knowing that the substance has a van't Hoff factor of 1 and is non-volatile, what is the molar mass of the substance? (Freezing point depression of water = - 1.86 °C/m) A. 0,00016 g/mol B. 156.25 g/mol C. 186.54 g/mol D. 1.86 g/mol What is the osmotic pressure (at 20 °C) of a solution made by dissolving 13g of sucrose in 117g of water? The total volume
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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A 0.25g of a certain substance is dissolved in 60g of water. The freezing point of the
solution is - 0.050 °C. Knowing that the substance has a van't Hoff factor of 1 and is
non-volatile, what is the molar mass of the substance? (Freezing point depression of water =
- 1.86 °C/m)
A. 0,00016 g/mol
B. 156.25 g/mol
C. 186.54 g/mol
D. 1.86 g/mol
What is the osmotic pressure (at 20 °C) of a solution made by dissolving 13g of sucrose
in 117g of water? The total volume of the solution is 125mL at 20 °C.
A. 7.31 atm
B. 0.30 atm
C. 342 atm
D. 0.08 atm
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