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How many microliters of 1.000 M NaOH solution must be added to 25.00 mL of a 0.1000 M solution of lactic acid [CH3CH(OH)COOH or HC3H5O3] to produce a buffer with pH = 3.75?

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Bunny Greenfelder
Bunny GreenfelderLv2
21 May 2020

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Related questions

Calculate the pH at the equivalence point in titrating 0.100 Msolutions of each of the following with 7.0X10^-2 M NaOH.

(a) lactic acid (CH3CH(OH)COOH)

25 mL of 0.1 M lactic acid (CH3CH(OH)COOH) is titrated with 0.1 M sodium hydroxide (NaOH). The titration curve is shown.


(a) What is the approximate pKa?

(b) At the pKa, what fraction of the carboxyl group will have been converted to COO-?


Please explain how to do this problem. I have no idea how to do this.


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