An alcohol solution was prepared by adding enough water to 35. 0 mL of the alcohol to make a total volume of 80.0 mL of the mixture. What is the % alcohol by volume? A 50.0 mL portion of 70.0% (by volume) alcohol solution was mixed with 50.0 mL of water. What is the new % alcohol by volume?
An alcohol solution was prepared by adding enough water to 35. 0 mL of the alcohol to make a total volume of 80.0 mL of the mixture. What is the % alcohol by volume? A 50.0 mL portion of 70.0% (by volume) alcohol solution was mixed with 50.0 mL of water. What is the new % alcohol by volume?
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter2: Chemical Compounds
Section: Chapter Questions
Problem 105QRT
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- Perform the following calculations and report the answer to the appropriate number of significant figures:
- An alcohol solution was prepared by adding enough water to 35. 0 mL of the alcohol to make a total volume of 80.0 mL of the mixture. What is the % alcohol by volume?
- A 50.0 mL portion of 70.0% (by volume) alcohol solution was mixed with 50.0 mL of water. What is the new % alcohol by volume?
- How many mL of a 70.0% (by volume) alcohol solution do you need to mix with enough water to prepare 50.0 mL of a 1.2% alcohol solution?
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