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AP Chemistry/Unit 8: Acids and Bases
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Ranking Solutions by Increasing pH

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Consider four solutions: a 0.1 M solution of a strong acid (HCl\mathrm{HCl}), a 0.1 M solution of a weak acid (HC2H3O2\mathrm{HC_2H_3O_2}), a 0.1 M solution of a weak base (NH3\mathrm{NH_3}), and pure water (H2O\mathrm{H_2O}). Which of the following correctly ranks these solutions in order of increasing pH?

A

HCl, water, HC2H3O2, NH3

B

HCl, HC2H3O2, water, NH3

C

HC2H3O2, HCl, water, NH3

D

HC2H3O2, water, HCl, NH3

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