16. A chemist added 40 mL of pure acetic acid to 100 mL of 20% (v/v) solution of acetic acid in water. What are the total volume and concentration?

Phlebotomy Essentials
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ISBN:9781451194524
Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)
Chapter1: Phlebotomy: Past And Present And The Healthcare Setting
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16. A chemist added 40 mL of pure acetic acid to 100 mL of 20% (v/v) solution of
acetic acid in water. What are the total volume and concentration?
285
Transcribed Image Text:16. A chemist added 40 mL of pure acetic acid to 100 mL of 20% (v/v) solution of acetic acid in water. What are the total volume and concentration? 285
Expert Solution
Introduction

The process of reducing a solute concentration by adding solvent to a solution is referred to as dilution.

The stock solution is an initial solution (high concentration) in which diluent is added to make a final solution with the required concentration (low concentration). 

A factor that dilutes the stock solution to the desired concentration is the dilution factor (DF). DF is expressed by the ratio of the final volume (diluted solution) to the initial volume (undiluted solution). 

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