Calculate the pH of a .215 M aqueous solution of aniline C6H5NH2,
Kb= 7.4x10^-10 and the equilibrium concentrations of the weak base
and it’s conjugate acid
Calculate the pH of a 0.0454 M aqueous solution of
triethelyene C2H5(3)N, Kb= 5.2x10^-4 and the equilibrium
concentrations of the weak base and its conjugate acid
a. Calculate the pH of a 0.538 M aqueous
solution of ethylamine
(C2H5NH2,
Kb = 4.3×10-4)
b. Calculate the pH of a 0.0473 M aqueous
solution of piperidine
(C5H11N, Kb =
1.3×10-3).
Calculate the pH of a 0.177 M aqueous solution
of pyridine
(C5H5N, Kb =
1.5×10-9) and the equilibrium
concentrations of the weak base and its conjugate acid.
pH
=
[C5H5N]equilibrium
=
M
[C5H5NH+]equilibrium
=
M
1. Calculate the pH of a 0.417 M aqueous
solution of isoquinoline
(C9H7N, Kb =
2.5×10-9).
2. Calculate the pH of a 0.0351 M aqueous
solution of methylamine
(CH3NH2, Kb =
4.2×10-4).
3. Calculate the pH of a 0.0432 M aqueous
solution of the weak base
diethylamine((C2H5)2NH,
Kb = 6.90×10-4).
Calculate the pH of a 0.0333 M aqueous solution
of dimethylamine
((CH3)2NH, Kb =
5.9×10-4) and the equilibrium
concentrations of the weak base and its conjugate acid.
pH
=
[(CH3)2NH]equilibrium
=
M
[(CH3)2NH2+
]equilibrium
=
M
Calculate the pH of a 0.0438 M aqueous solution of dimethylamine
((CH3)2NH, Kb = 5.9×10-4) and the equilibrium concentrations of the
weak base and its conjugate acid.
Calculate the pH of a 0.289 M aqueous solution
of quinoline
(C9H7N, Kb =
6.3×10-10) and the equilibrium
concentrations of the weak base and its conjugate acid.