A 20.0-mL sample of 0.150 MKOH is titrated with
0.125 MHClO4 solution. Calculate the pH after the
following volumes of acid have been added.
A.20.0 mL
B.23.0 mL
C.24.0 mL
D.27.0 mL
E.31.0 mL
Express your answer using two decimal
places.
A) A 25 mL sample of 0.723M HClO4 is titrated with a 0.273M KOH
solution. What is the pH before any base is added?
B) A 25 mL sample of 0.22M hydrazoic acid (HN3 ; Ka=2.6e-5) is
titrated with a 0.30M KOH solution. What is the pH of the solution
after 16 mL of base is added?
C) A 25 mL sample of an HCl solution is titrated with a 0.15M
NaOH solution. The equivalence point is reached with 75...
A 80.0 mL sample of 0.0300 M HClO4 is titrated with 0.0600 M
CsOH solution. Calculate the pH after the following volumes of base
have been added.
(a) 17.2 mL pH = (b) 39.2 mL pH = (c) 40.0 mL pH =
(d) 40.8 mL pH = (e) 74.4 mL pH =
A 25.0 mL sample of 0.150 M potassium hydroxide is titrated with
0.125 M hydrobromic acid solution. Calculate the pH after the
following volumes of acid have been added: a) 20.0 mL b) 25.0 mL c)
30.0 mL d) 35.0 mL e) 40.0 mL
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 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 26.0−mL solution of 0.120 M CH3COOH is titrated with a 0.220 M
KOH solution. Calculate the pH after the following additions of the
KOH solution:
(a) 0.00 mL
(b) 5.00 mL
A 30.00 mL solution of 0.235 M CH2NH2 was titrated with 0.150 M
H2SO4. a) Calculate the pH of the 30.00 mL solution of 0.235 M
CH2NH2 b) Calculate the volume of 0.150 M H2SO4 required to
neutralize the 30 mL solution of 0.235 M CH2NH2. c) Calculate the
volume of 0.150 M H2SO4 required to neutralize half the mole of
CH2NH2 present 30 Ml solution of 0.235 M CH2NH2 d) Calculte the pH
of the solution in (c). e)...