Exercises: Solve the following problems. Show a complete solution. 1. Determine the % w/w of a solution with 25.0 g of NaCl dissolved in 100 g of water. 2. What is the % v/v of vinegar containing 20 ml of acetic acid in 200 mL solution? 3. What is the molarity of 500 mL solution containing 3.0 mol of H2SO4? 4. How much sugar should be added in 2000 mL water to have 30% (w/v) sugar solution? 5. How much of ethyl alcohol is present in 500 mL of 70% rubbing alcohol? 6. How much water should be added to 2.0 mol of NaOH to obtain 0.40 molar solution? 7. What is the molality of a 60.5% (w/w) of nitric acid (HNO3 = 63.0 g/mol) solution? 8. A student is provided with 500 ml of 600 ppm solution of sucrose. What volume of this solution in millilitres contains 0.15 g of sucrose? 9. What is the mole fraction of a solution containing 233 g of CO, in 0.409 L of water? (MM CO2 = 44.0 g/mol) 10. Describe how you are going to make 2.00 L of 0.40 M of NaCl.

Exercises: Solve the following problems. Show a complete solution. 1. Determine the % w/w of a solution with 25.0 g of NaCl dissolved in 100 g of water. 2. What is the % v/v of vinegar containing 20 ml of acetic acid in 200 mL solution? 3. What is the molarity of 500 mL solution containing 3.0 mol of H2SO4? 4. How much sugar should be added in 2000 mL water to have 30% (w/v) sugar solution? 5. How much of ethyl alcohol is present in 500 mL of 70% rubbing alcohol? 6. How much water should be added to 2.0 mol of NaOH to obtain 0.40 molar solution? 7. What is the molality of a 60.5% (w/w) of nitric acid (HNO3 = 63.0 g/mol) solution? 8. A student is provided with 500 ml of 600 ppm solution of sucrose. What volume of this solution in millilitres contains 0.15 g of sucrose? 9. What is the mole fraction of a solution containing 233 g of CO, in 0.409 L of water? (MM CO2 = 44.0 g/mol) 10. Describe how you are going to make 2.00 L of 0.40 M of NaCl.

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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