Answered: A rum is rated 50 proof. Assuming 750mL…

Chemistry for Today: General, Organic, and Biochemistry

9th Edition

ISBN:9781305960060

Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Chapter7: Sollutions And Colloids

Section: Chapter Questions

Problem 7.43E: Explain how you would prepare the following solutions using pure solute and water. Assume water has...

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3. A rum is rated 50 proof. Assuming 750mL solution, how much ethyl alcohol (solute) does this drink contain? Assuming no other contents, how much water was used?

4. Suppose you like to dilute a 500mL acetic acid solution (vinegar) having 0.6M to 0.2M, how much water should be added?

5. What is the approximate molarity, molality and normality of a 13% w/w solution of H2SO4 (SG=1.090)? To what volume should 100mL of the acid be diluted in order to prepare 1.50N solution?

6. Air is generally composed of 21% oxygen and 79% nitrogen. Compute for their mole fractions in a 1kg sample solution.

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