How much (in mL) 12.1 M solution of hydrochloric acid would be required to make 500 mL of a 2.5 M solution

Question

Axle

Chemistry

25 September, 13:37

How much (in mL) 12.1 M solution of hydrochloric acid would be required to make 500 mL of a 2.5 M solution

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Answers (1)

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Rachel · Answer 1

Volume of the concentrated solution, which is needed is 103.30 mL

Explanation:

Let's apply the formula for dilutions to solve the problem

Conc. Molarity. Conc. volume = Dil. Molarity. Dil volume

12.1 M. Conc. volume = 2.5 M. 500 mL

Conc. volume = (2.5 M. 500 mL) / 12.1M

Conc. volume = 103.30 mL