A 25.0−mL solution of 0.100 M CH3COOH is titrated with a 0.200 M
KOH solution. Calculate the pH after the following additions of the
KOH solution
(a) 10.0 mL
(b) 12.5 mL
(c) 15.0 mL
A 25.0 mL solution of 0.100 M CH3COOH is titrated with a 0.200 M
KOH solution. Calculate the pH after the following additions of the
KOH solution: (a) 0.0 mL, (b) 5.0 mL, (c) 10.0 mL, (d) 12.5 mL, (e)
15.0 mL. (25 points)
A 25.0 mL solution of 0.100 M CH3COOH is titrated with a 0.200 M
KOH solution. Calculate the pH after the following additions of the
KOH solution: (a) 0.0 mL, (b) 5.0 mL, (c) 10.0 mL, (d) 12.5 mL, (e)
15.0 mL. (25 points)
1. Calculate [OH−] for a solution formed by adding 5.00 mL of
0.120 M KOH to 20.0 mL of 7.1×10−2 M Ca(OH)2.
2. Calculate pH for a solution formed by adding 5.00 mL of 0.120
M KOH to 20.0 mL of 7.1×10−2 M Ca(OH)2.
3. Pyridine is a weak base that is used in the manufacture of
pesticides and plastic resins. It is also a component of cigarette
smoke. Pyridine ionizes in water as follows:
C5H5N+H2O⇌C5H5NH++OH−
The pKb of pyridine...
A 50.0 mL solution of 0.167 M KOH is titrated with 0.334 M HCl .
Calculate the pH of the solution after the addition of each of the
given amounts of HCl .
0.00 mL pH = 7.00 mL pH = 12.5 mL pH = 19.0 mL pH = 24.0 mL pH = 25.0 mL pH = 26.0 mL pH = 31.0 mL pH =
A 50.0 mL solution of 0.199 M KOH is titrated with 0.398 M HCl.
Calculate the pH of the solution after the addition of the
following amounts of HCl.
a) 0.00 mL HCl
b) 7.00 mL HCl
c) 12.5 mL HCl
d) 20.0 mL HCl
A 44.7 mL sample of a 0.280 M solution of NaCN is titrated by
0.220 M HCl. Kb for CN- is 2.0×10-5. Calculate the pH of the
solution:
(a) prior to the start of the titration
(b) after the addition of 28.4 mL of 0.220 M HCl
(c) at the equivalence point
(d) after the addition of 83.6 mL
of 0.220 M HCl.
PLEASE SHOW ALL WORK
A 20.0-mL sample of 0.150 M KOH is titrated with 0.125 M HClO4
solution. Calculate the pH after the following volumes of acid have
been added.
22.5 mL of the acid
A 83.0 mL sample of 0.0500 M HNO3 is titrated
with 0.100 M KOH solution. Calculate the pH after the following
volumes of base have been added.
(a) 11.2 mL
pH = _________
(b) 39.8 mL
pH = __________
(c) 41.5 mL
pH = ___________
(d) 41.9 mL
pH = ____________
(e) 79.3 mL
pH = _____________
A 35.0-mL sample of 0.150 M acetic acid (CH3COOH) is
titrated with 0.150 MNaOH solution. Calculate the pH after
the following volumes of base have been adde
Part A
35.5 mL
Express your answer using two decimal places
Part B
50.0 mL
Express your answer using two decimal places