solve the following numerical. 1. A mixture of C2H5OH & water contains 54% water by weight. Calculate the mole fraction of alcohol & Water in this mixture? 2. 4 gms of NaOH is dissolved in 200 ml of aqueous solution. What will be the molarity of this solution? 3. Calculate the normality of the solution containing 5 gram NaOH dissolved in 250 ml. aqueous solution. 4. The density of a 2.03 M solution of acetic acid (molecular weight = 60) in water is 1.017 gm/ml. Calculate the molality of the solution. 5. You need to make 15.0 L of 1.5 M KNO3. What molarity would the potassium nitrate solution need to be if you were to use only 2.5 L of it?
solve the following numerical. 1. A mixture of C2H5OH & water contains 54% water by weight. Calculate the mole fraction of alcohol & Water in this mixture? 2. 4 gms of NaOH is dissolved in 200 ml of aqueous solution. What will be the molarity of this solution? 3. Calculate the normality of the solution containing 5 gram NaOH dissolved in 250 ml. aqueous solution. 4. The density of a 2.03 M solution of acetic acid (molecular weight = 60) in water is 1.017 gm/ml. Calculate the molality of the solution. 5. You need to make 15.0 L of 1.5 M KNO3. What molarity would the potassium nitrate solution need to be if you were to use only 2.5 L of it?
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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solve the following numerical.
1. A mixture of C2H5OH & water contains 54% water by weight. Calculate the mole fraction of alcohol & Water in this mixture?
2. 4 gms of NaOH is dissolved in 200 ml of aqueous solution. What will be the molarity of this solution?
3. Calculate the normality of the solution containing 5 gram NaOH dissolved in 250 ml. aqueous solution.
4. The density of a 2.03 M solution of acetic acid (molecular weight = 60) in water is 1.017 gm/ml. Calculate the molality of the solution.
5. You need to make 15.0 L of 1.5 M KNO3. What molarity would the potassium nitrate solution need to be if you were to use only 2.5 L of it?
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