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1. What is the percent mass, %(m/m), concentration of sucrose (table sugar) in a solution made by dissolving 5.4 g of sucrose in enough water to give 87.3 g of solution? Ans: 6.2% (m/m)

1. What is the percent mass, %(m/m), concentration of sucrose (table sugar) in a solution made by dissolving 5.4 g of sucrose in enough water to give 87.3 g of solution? Ans: 6.2% (m/m)

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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1. What is the percent mass, %(m/m), concentration of sucrose (table sugar) in a solution made by dissolving 5.4 g of sucrose in enough water to give 87.3 g of solution? Ans: 6.2% (m/m) 2. How many grams of lithium nitrate, LINO3, must be added to 15.0g of water to prepare a 7.50% (m/m) solution of lithium nitrate? Ans: 1.22 g LINO3 3. The final volume of solution resulting from the addition of 50.0 ml of ethyl alcohol to 50.0 ml of water is 96.5 ml. What is the volume percent of ethyl alcohol in the solution? Ans: 51.8% (v/v) 4. Saline solution, a 0.92% (m/v) sodium chloride (NaCI) solution, is often administered intravenously to hospital patients. How many grams of sodium chloride are required to prepare 345 ml of saline solution? Ans: 3.2 g Naci 5. What is the molarity of a solution prepared by dissolving 25.0 g of NaOH in enough water to give 2.50 L of solution? Ans: 0.250 M NaOH 6. How many grams of ascorbic acid (vitamin C), C6H806, are present in 125 ml of a 0.400-M vitamin C solution? Ans: 8.80 g C6H8O6 7. How many liters of 0.100 M aqueous sodium hydroxide (NaOH) solution can be prepared from 10.0 g of sodium hydroxide? Ans: 2.50 L solution 8. What is the molarity of the solution prepared by diluting 75 ml of 1.50M silver nitrate (AGNO3) solution to final volume of 225 mL? Ans: 0.50 M 9. How much solvent must be added to 50.0 mL of 2.20 M potassium chloride(KCI) solution to decrease its concentration to 0.0113 M? 9680 mL 10. What is the molarity of the solution obtained by micing 50.0 mL of 1.25 M ammonium chloride (NH4CI) solution with 175 ml of 0.125 M ammonium chloride solution? Ans: 0.375 M
Transcribed Image Text:1. What is the percent mass, %(m/m), concentration of sucrose (table sugar) in a solution made by dissolving 5.4 g of sucrose in enough water to give 87.3 g of solution? Ans: 6.2% (m/m) 2. How many grams of lithium nitrate, LINO3, must be added to 15.0g of water to prepare a 7.50% (m/m) solution of lithium nitrate? Ans: 1.22 g LINO3 3. The final volume of solution resulting from the addition of 50.0 ml of ethyl alcohol to 50.0 ml of water is 96.5 ml. What is the volume percent of ethyl alcohol in the solution? Ans: 51.8% (v/v) 4. Saline solution, a 0.92% (m/v) sodium chloride (NaCI) solution, is often administered intravenously to hospital patients. How many grams of sodium chloride are required to prepare 345 ml of saline solution? Ans: 3.2 g Naci 5. What is the molarity of a solution prepared by dissolving 25.0 g of NaOH in enough water to give 2.50 L of solution? Ans: 0.250 M NaOH 6. How many grams of ascorbic acid (vitamin C), C6H806, are present in 125 ml of a 0.400-M vitamin C solution? Ans: 8.80 g C6H8O6 7. How many liters of 0.100 M aqueous sodium hydroxide (NaOH) solution can be prepared from 10.0 g of sodium hydroxide? Ans: 2.50 L solution 8. What is the molarity of the solution prepared by diluting 75 ml of 1.50M silver nitrate (AGNO3) solution to final volume of 225 mL? Ans: 0.50 M 9. How much solvent must be added to 50.0 mL of 2.20 M potassium chloride(KCI) solution to decrease its concentration to 0.0113 M? 9680 mL 10. What is the molarity of the solution obtained by micing 50.0 mL of 1.25 M ammonium chloride (NH4CI) solution with 175 ml of 0.125 M ammonium chloride solution? Ans: 0.375 M
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