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Calculate the pH of the solution that results when 15.0 mL of 0.1650 M lactic acid...

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Chemistry

Calculate the pH of the solution that results when 15.0 mL of0.1650 M lactic acid is A) diluted to 45.0 mL with distilled waterB)mixed with 30.0 mL of 0.0825 M NaOH solution. C)mixed with 30.0mL of 0.140 M NaOH solution. D)mixed with 30.0 mL of 0.140 M sodiumlactate solution.

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3.9 Ratings (509 Votes)
A Given M1 01650 M V1 150 mL V2 450 mL M2 Applying law of dilution M1V1 M2V2 M2 M1V1 V2 01650 M x 150 mL 450 mL 0055 M For lactic acidC3H6O3 pKa 386 Ka 10386 138x104 The equilibrium reaction for the dissociation of lactic acidC3H6O3 is C3H6O3 C3H5O3 aq Haq Ka 138x104 InitConcM 0055 0 0 EqmconcM0055 y y y Ka    See Answer
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