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A 100-ML Aqueous HCl Solution Was Made by Diluting Concentrated

Question 152

Multiple Choice

A 100-mL aqueous HCl solution was made by diluting concentrated HCl 1:20 to 50 mL.  A portion of the resulting solution was then diluted 1:4 to make the final solution.  What was the volume of concentrated HCl that was diluted?


A) 0.25 mL
B) 2.5 mL
C) 25 mL
D) 250 mL

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