1-3: A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v ethanol. (Density of ethanol = 0.789 g/mL; MW of ethanol = 46 g/mol) 1. Determine the initial volume of 70% v/v ethanol used in the preparation. 2. How much water was added to the stock solution to make IL of the final concentration? 3. The molarity of 5.0 mL of 70% v/v ethanol was found to be
1-3: A stock solution of 70% v/v ethanol was diluted with distilled water to prepare 1L of 21% v/v ethanol. (Density of ethanol = 0.789 g/mL; MW of ethanol = 46 g/mol) 1. Determine the initial volume of 70% v/v ethanol used in the preparation. 2. How much water was added to the stock solution to make IL of the final concentration? 3. The molarity of 5.0 mL of 70% v/v ethanol was found to be
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter6: Types Of Chemical Reactions And Solution Stoichiometry
Section: Chapter Questions
Problem 43E
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