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AP Chemistry/Unit 8: Acids and Bases
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Effect of Dilution on Percent Ionization

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A weak acid has a percent ionization of 3.5% in a 0.20 M solution. If the solution is diluted to 0.050 M, which expression correctly calculates the new percent ionization?

A

3.5% × √(0.050/0.20)

B

3.5% × (0.20/0.050)

C

3.5% × (0.050/0.20)

D

3.5% × √(0.20/0.050)

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