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  3. 1) 20.00 ml of a 0.3000 m lactic acid solution is

1) 20.00 mL of a 0.3000 M lactic acid solution is titrated with 0.1500 M NaOH. a....

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Chemistry

1) 20.00 mL of a 0.3000 M lactic acid solution is titrated with0.1500 M NaOH.

a. What is the pH of the initial solution (before any base isadded)?

b. What is the pH of the solution after 20.00 mL of the basesolution has been added?

c. What is the pH of the solution after 40.00 mL of the basesolution has been added?

Answer & Explanation Solved by verified expert
3.8 Ratings (686 Votes)
Given Lactic acidC3H6O3 Volume 002 L C3H6O3 03 M Ka 140E04 ICE C3H6O3 H2O C3H5O3 H3O I 03 0 0 C x x x E 03x x x Ka expression kaC3H5O3H3OC3H6O3 Lets plug in the ka and equilibrium concentration values 140E4x2 03x x2 140 E4 x 42E50 Lets solve this quadratic equation x0006411 H3Ox0006411    See Answer
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