ACTIVITY/EXERCISESDhection: Calculate the following problems involving waya of expressing concentration ofsolutions.1. Calculate the mole fraction of the solute in the following solutions:a. 100 g CaH60 in 100 g H2ob. 30 % HCI solution by mass2. A solution is prepared by mixing 1 g of ethanol (C,H,O) with 100 g water to give a finalvolume of 101 ml. Calculate the mole fraction for the solute and solvent, and themolality of ethanol in the solution.3. Calculate the molality of a 6.55 kg sample of a solution of the solute CH.Cla dissolved inthe solvent acetone (CHoO) if the sample contains 876 g of methylene chloride.4. Determine the molarity of cach of the following solutions:a. 2.34 mol KCI in 2.300 L of solutionb. 0.56 g H2SO, in 2 L of solutionc. 20.45 g Al(NOS)s in 2000 ml of solution5. A saline solution with a mass of 233 g has 34.5 g NaCl dissolved in it. What is the masspercent concentration of the solution?6. Determine the percent by volume of solution made by combining 35 ml of ethanol withenough water to produce 350 mL of the solution.7. An aqueous solution has 0.0034 g of oxygen dissolved in 1000 g of water. Calculate thedissolved oxygen concentration of this solution in parts per million.

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Answered: 1. Calculate the mole fraction of the…

1. Calculate the mole fraction of the solute in the following solutions: a. 100 g C2H6O in 100 g H20 b. 30 % HCI solution by mass D0 e water to givea fin

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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Question

ACTIVITY/EXERCISES
Dhection: Calculate the following problems involving waya of expressing concentration of
solutions.
1. Calculate the mole fraction of the solute in the following solutions:
a. 100 g CaH60 in 100 g H2o
b. 30 % HCI solution by mass
2. A solution is prepared by mixing 1 g of ethanol (C,H,O) with 100 g water to give a final
volume of 101 ml. Calculate the mole fraction for the solute and solvent, and the
molality of ethanol in the solution.
3. Calculate the molality of a 6.55 kg sample of a solution of the solute CH.Cla dissolved in
the solvent acetone (CHoO) if the sample contains 876 g of methylene chloride.
4. Determine the molarity of cach of the following solutions:
a. 2.34 mol KCI in 2.300 L of solution
b. 0.56 g H2SO, in 2 L of solution
c. 20.45 g Al(NOS)s in 2000 ml of solution
5. A saline solution with a mass of 233 g has 34.5 g NaCl dissolved in it. What is the mass
percent concentration of the solution?
6. Determine the percent by volume of solution made by combining 35 ml of ethanol with
enough water to produce 350 mL of the solution.
7. An aqueous solution has 0.0034 g of oxygen dissolved in 1000 g of water. Calculate the
dissolved oxygen concentration of this solution in parts per million.

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