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ACTIVITY 4. Solve each of the following problems and write your complete solution. 1. If you use 3.68mol of sucrose (C12H22012) and dissolve this into 2.50kg of water, what will be the change in the freezing point of your solution. Assume the K, of water is -1.86°C/m. 2. If you use 5.76mol of sodium fluoride (NaF) and dissolve this into 3.62kg of water, what will be the change in boiling point of your solution. Assume the K, of water is 0.51°C/m. 3. You dissolve 30.0g of potassium iodide (KI) into 1.75kg of water. What will be the change in the freezing poir your solution? Assume the K, of water is -1.86°C/m.

ACTIVITY 4. Solve each of the following problems and write your complete solution. 1. If you use 3.68mol of sucrose (C12H22012) and dissolve this into 2.50kg of water, what will be the change in the freezing point of your solution. Assume the K, of water is -1.86°C/m. 2. If you use 5.76mol of sodium fluoride (NaF) and dissolve this into 3.62kg of water, what will be the change in boiling point of your solution. Assume the K, of water is 0.51°C/m. 3. You dissolve 30.0g of potassium iodide (KI) into 1.75kg of water. What will be the change in the freezing poir your solution? Assume the K, of water is -1.86°C/m.

World of Chemistry, 3rd edition
World of Chemistry, 3rd edition
3rd Edition
ISBN:9781133109655
Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste
Chapter15: Solutions
Section: Chapter Questions
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Answer number 1 to 5. I don't want to waste my money here. 

ACTIVITY 4. Solve each of the following problems and write your complete solution. 1. If you use 3.68mol of sucrose (C12H22012) and dissolve this into 2.50kg of water, what will be the change in the freezing point of your solution. Assume the K, of water is -1.86°C/m. 2. If you use 5.76mol of sodium fluoride (NaF) and dissolve this into 3.62kg of water, what will be the change in the boiling point of your solution. Assume the K, of water is 0.51°C/m. 3. You dissolve 30.0g of potassium iodide (KI) into 1.75kg of water. What will be the change in the freezing point of your solution? Assume the K, of water is -1.86°C/m. 4. Salt is often added to water in order to raise the temperature of the boiling point and to heat food more quickly. If you add 30.0g of salt to 3.75kg of water, what will be the change in the boiling point of your salt water? Assume the K, of water is 0.51°C/m. 5. Assume you have a 3.60m solution that depressed the freezing point of the solution by 0.851°C. What is the molal freezing point depression constant (K,) of the solution?
Transcribed Image Text:ACTIVITY 4. Solve each of the following problems and write your complete solution. 1. If you use 3.68mol of sucrose (C12H22012) and dissolve this into 2.50kg of water, what will be the change in the freezing point of your solution. Assume the K, of water is -1.86°C/m. 2. If you use 5.76mol of sodium fluoride (NaF) and dissolve this into 3.62kg of water, what will be the change in the boiling point of your solution. Assume the K, of water is 0.51°C/m. 3. You dissolve 30.0g of potassium iodide (KI) into 1.75kg of water. What will be the change in the freezing point of your solution? Assume the K, of water is -1.86°C/m. 4. Salt is often added to water in order to raise the temperature of the boiling point and to heat food more quickly. If you add 30.0g of salt to 3.75kg of water, what will be the change in the boiling point of your salt water? Assume the K, of water is 0.51°C/m. 5. Assume you have a 3.60m solution that depressed the freezing point of the solution by 0.851°C. What is the molal freezing point depression constant (K,) of the solution?
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