18. Required is 1 L of 3/8 (v/v) strength solution. The usual concentration of the solution is 12% (v/v) acetic acid in water. How many mL of the 12% solution must be used? How many mL of water should be used?

18. Required is 1 L of 3/8 (v/v) strength solution. The usual concentration of the solution is 12% (v/v) acetic acid in water. How many mL of the 12% solution must be used? How many mL of water should be used?

Basic Clinical Lab Competencies for Respiratory Care: An Integrated Approach

5th Edition

ISBN:9781285244662

Author:White

Publisher:White

Chapter14: Introduction To Respiratory Care Pharmacology

Section: Chapter Questions

Problem 5SEPT

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Question

100%

The answer is 375 cc 12% acetic acid, 625 cc water. I don't know how to get there. Please show work

18. Required is 1 L of 3/8 (v/v) strength solution. The usual concentration of the
solution is 12% (v/v) acetic acid in water. How many mL of the 12% solution
must be used? How many mL of water should be used?
268

Expert Solution

Step 1

Acetic acid solutions are made with diluting pure acetic acid with a dilutant like water.

Volume by volume centration mean is that three parts of acetic acid added in a total of eight parts total volume of solution .

This means there are three parts of acetic acid and 5 parts of water in a total volume of eight parts .

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