Ka for Benzoic acid (a monoprotic acid) is
Ka = 6.5*10-5. Calculate the pH after
addition...
Ka for Benzoic acid (a monoprotic acid) is
Ka = 6.5*10-5. Calculate the pH after
addition of 23.0, 35.0, 46.0, and 49.0 mL of 0.100M NaOH to 46.0 mL
of 0.100M Benzoic acid
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...
Calculate the pH when 15.0 mL of 0.20 M benzoic acid (HC7H5O2,
Ka = 6.5 ×10–5) is titrated with 20.0 mL of 0.15 M sodium hydroxide
(NaOH).
A. 8.56
B. 7.95
C. 5.33
D. 6.25
If 10 mL of 0.025 M benzoic acid (Ka = 6.5 *
10-5) is titrated with 0.01 M NaOH, what is pH after 0
ml, 20 ml, 50 ml, and 90 ml of base have been added?
1- If the Ka of a monoprotic weak acid is 6.5 × 10-6, what is
the pH of a 0.43 M solution of this acid?
2- If the Kb of a weak base is 7.1 × 10-6, what is the pH of a
0.19 M solution of this base?
25.0 mL of a 0.500 M solution of benzoic acid
(C6H5COOH, Ka = 6.5 ×
10-5) is treated with 25.0 mL of a 0.400 M solution of
KOH. Determine the pH of the solution.
A.
4.79
B.
4.29
C.
4.09
D.
3.59
The equilibrium constant (Ka) for benzoic acid is 6.46 x
10^-5.
Calculate the ratio of benzoic acid to benzoate ion in solution
pH=2.00. Then calculate the same ratio at pH=4.00.
Calculate the apparent solubility of benzoic acid at pH 5.
Benzoic acid is a weak acid, with pKa = 4.2 and
solubility of nonionized species S0 = 0.028
mol/L.
Please show steps