Answered: If you have a 2.20 m solution of…

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. If you have a 2.20 m solution of Na₂SO₄, what is the molarity of the solution? The density of the solution is 1.06 g/mL. Answer to 2 decimal places

2. An aqueous solution has a mole fraction of 0.10 NaNO₃, what is the molality of this solution? Answer to 2 decimal places.

3. An aqueous solution has a mole fraction of 0.10 Mg(C₂H₃O₂)₂, what is the mass percent of this solution? Answer to 2 decimal places.

4. A solution of NaOH is 3.0 % (w/w). What is this concentration in mole fraction? Answer to 3 decimal place

5. A solution of NaOH is 7.0 % (w/w). What is this concentration in molality? Answer to 2 decimal place

6. An aqueous solution that is 3.62 m Na₂CO₃ has what mole fraction of Na₂CO₃? Answer to 3 decimal places.

7. What is the mass percent of a 0.35 M solution of KF? The density of the solution is 1.02 g/mL. Answer to 1 decimal place.

8. If you have a 1.16 M solution of KCl, what is the molality of the solution? The density of the solution is 1.00 g/mL. Answer to 2 decimal places

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