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Be sure to answer all parts. Find the pH during the titration of 20.00 mL of...

Be sure to answer all parts.

Find the pH during the titration of 20.00 mL of 0.1000 M triethylamine, (CH3CH2)3N (Kb = 5.2 ×10−4), with 0.1000 M HCl solution after the following additions of titrant.

(a) 15.00 mL:

pH =

(b) 20.50 mL:

pH =

(c) 26.00 mL:

pH =

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