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How many milliliters of 1 M HCl(aq) must be diluted with water to make exactly 500 mL of 0.1 M HCl(a

Regents Chemistry Exam August 2022


40 How many milliliters of 1 M HCl(aq) must be diluted with water to make exactly 500 mL of 0.1 M HCl(aq)?

(1) 10 mL

(2) 50 mL (3) 100 mL

(4) 5000 mL


Explanation: The formula for dilution is M1V1= M2V2 where M stands for molarity and V for volume. Now, all we have to do is plug our values in.

1M (X) = 0.1M (500ml)

X = 50 ml

Answer: 2

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