Find the pH during the titration of 20.00 mL of 0.1000 M
triethylamine (CH3CH2)3N (Kb =...
Find the pH during the titration of 20.00 mL of 0.1000 M
triethylamine (CH3CH2)3N (Kb = 5.2x10^-4), with 0.1000 M HCl
solution after the following additions of titrant.
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) 11.00 mL:
pH =
(b) 20.60 mL:
pH =
(c) 26.00 mL:
pH =
Find the pH during titration of 20.00ml of 0.1000 M
triethylamine, (CH3CH2)3N (Kb=5.210^-4), with 0.1000M HCL solution
after the following additions of titrants a) 10.00mL b) 20.70 mL c)
27.00 mL
Calculate the pH during the titration of 20.00 mL of 0.1000 M
trimethylamine, (CH3)3N(aq), with 0.1000 M HNO3(aq) after 19.4 mL
of the acid have been added. Kb of trimethylamine = 6.5 x 10-5
Correct Answer:
8.30 ± 0.02
Determine the pH during the titration of 34.9
mL of 0.331 M triethylamine
((C2H5)3N ,
Kb = 5.2×10-4) by
0.331 M HNO3 at the
following points.
(a) Before the addition of any HNO3.
_________
(b) After the addition of 13.6 mL
of HNO3
_____
(c) At the titration midpoint ______
(d) At the equivalence point _______
(e) After adding 52.0 mL of
HNO3 ________
Determine the pH during the titration of 33.7
mL of 0.345 M triethylamine
((C2H5)3N,
Kb = 5.2×10-4) by
0.345 M HI at the following
points. (Assume the titration is done at 25 °C.)
Note that state symbols are not shown for species in this
problem.
(a) Before the addition of any
HI
(b) After the addition of 15.0 mL
of HI
(c) At the titration midpoint
(d) At the equivalence point
(e) After adding 51.9 mL of
HI
Calculate the pH during the titration of 20.00 mL of 0.1000 M
HCOOH(aq) with 0.1000 M NaOH(aq) after 12 mL of the base have been
added.
Ka of formic acid = 1.8 x 10-4.
Calculate the pH during the titration of 20.00 mL of 0.1000 M
C6H5OH(aq) with 0.1000 M NaOH(aq) after 19.9 mL of the base have
been added. Ka of phenol = 1.0 x 10-10.
Calculate the pH during the titration of 20.00 mL of 0.1000 M
C2H5COOH(aq) with 0.1000 M KOH(aq) after 19.9 mL of the base have
been added. Ka of propanoic acid = 1.3 x 10-5.
Find the pH during the titration of 20.00 mL of 0.1000 M nitrous
acid, HNO2 (Ka = 7.1 10-4), with 0.1000 M NaOH solution after the
following additions of titrant. Find at volumes of 0 mL, 10.00 mL,
15.00 mL, 20.00 mL, and 25.00 mL.
Find the pH during the titration of 20.00 mL of 0.1000 M
butanoic acid, CH3CH2CH2COOH (Ka = 1.54 x 10^-5), with 0.1000 M
NaOH solution after the following additions of titrant (a) 14.00 mL
(b) 20.30 mL (c) 26.00 mL