Arsenic acid (H3AsO4) has Ka values of 2.5 x 10–4, 5.6 x 10–8,
and 3 x 10-13. What is the concentration of the HAsO42- dianion in
a solution whose initial arsenic acid concentration was 0.35 M?
The Ka of benzoic acid is 6.5 x 10 ^(-5)
a) Calculate the pH of a 40.00 mL, 0.1 M benzoic acid buffer
solution after the addition of 20.00 mL of a 0.1M NaOH
b) Calculate the pH of a 40.00 mL, 0.1 M benzoic acid buffer
solution after the addition of 50.00 mL of a 0.1M NaOH
REDOX TITRATION
2) Express the reactions for potassium permanganate titration
with sodium oxalate: Hint: include the 2 half-reactions.
3) What is the...
A 0.122 M monoprotic acid has a Ka of 5.7 x
10-4
What is the pH of the solution?
What is the pOH of the solution?
What is the percent dissociation of the
acid?
For the titration of 35.0 mL of 0.15 M trimethylacetic acid
(C4H9COOH, Ka= 9.33 x
10-6) with 0.35 M KOH
a. Calculate the pH after 8.0 mL of titrant has been added
b. Calculate the pH after 15.0 mL of titrant have been added
c. Calculate the pH after 17.0 mL of titrant have been added