Wednesday
April 16, 2014

Homework Help: Chemistry

Posted by Saira on Wednesday, March 24, 2010 at 3:40pm.

Part A:

Unknown Acid use 1gram and mix with 120 mL of distilled water
Determine the concentration of the acid by titrating with 0.0998 M of NaOH

Concentration of NaOH= 0.0998M
Volume of NaOH= 3.5 mL
# moles of NaOH=
Initial Concentration of Weak Acid-

Show Calculation of Ka and pKa of weak acid:


Part B:
pH of solution 3.22 ( determined by using a pH meter to find pH of weak acid)
Show calculation of Ka and pKa of weak acid

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