Beginning with commercial grade hydrochloric acid, 1.00 x 102 mL of a 12.4 M HCl is added to water to bring the total volume of the solution to 0.820L. What is the concentration of this new solution?

Question

Chemistry

Deacon Barnes

27 October, 20:43

Beginning with commercial grade hydrochloric acid, 1.00 x 102 mL of a 12.4 M HCl is added to water to bring the total volume of the solution to 0.820L. What is the concentration of this new solution?

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Answers (1)

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Susan Stewart · Answer 1

New concentration = 1.512 M

Explanation:

Using the equation for dilution;

M1V1 = M2V2

M1 = 12.4 M, V1 = 100 mL or 0.1 L

M2 = ?, V2 = 0.820 L

Therefore;

M2 = M1V1/V2

= (12.4 * 0.1) / (0.820L)

= 1.512 M