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a. For a solution of 0.206 mol of potassium dichromate in 0.500 L. What is the molarity and mass of the solute?

a. For a solution of 0.206 mol of potassium dichromate in 0.500 L. What is the molarity and mass of the solute?

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section3.10: Solution Concentration: Molarity
Problem 3.25CE
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a. For a solution of 0.206 mol of potassium dichromate in 0.500 L.
What is the molarity and mass of the solute?

b. For a 1.000 M copper(II) sulfate solution in 0.250 L.
What is the number of moles and the mass of the solute?

c. For a 0.250 M nickel(II) chloride solution, containing 0.158 mol. What is the volume and mass of the solute?

Now assume that the density is 1.020 g/mL for each solution and determine
d. The percentage by mass
e. The molality of the solution
f. The mole fraction of the solution.

Remember that the density of water is 1.00 g/mL.

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