Question

If the Kb of a weak base is 5.2 × 10-6, what is the pH of a 0.12 M solution of this base?

Answer #1

If the Kb of a weak base is 9.0 × 10-6, what is the pH of a 0.12
M solution of this base?

If the Kb of a weak base is 2.8 × 10-6, what is the pH of a 0.30
M solution of this base?

If the Kb of a weak base is 1.2 × 10-6, what is the pH of a 0.32
M solution of this base?

If the Kb of a weak base is 7.5 × 10-6, what is the pH of a 0.33
M solution of this base?

If the Kb of a weak base is 8.7 × 10-6, what is the pH of a 0.33
M solution of this base?

If the Kb of a weak base is 1.5 × 10-6, what is the pH of a 0.34
M solution of this base?

If the Kb of a weak base is 4.1 × 10-6, what is the pH of a 0.49
M solution of this base?

A. If the Kb of a weak acid is 5.9 x 10^-6 what is the ph of a
0.24 M solution of this base?
ph=
B. A certain weak base has a Kb of 7.70x10^-7. What
concentration of this base will produce a ph of 10.03?
answer in M

Calculate the pH of a 0.0786 M aqueous solution of the weak base
caffeine (C8H10N4O2, Kb = 4.10×10-4). pH Calculate the pH of a
0.0786 M aqueous solution of the weak base
caffeine
(C8H10N4O2,
Kb = 4.10×10-4).
pH =

Ammonia, NH3, is a weak base with a Kb value of 1.8×10−5.What is
the pH of a 0.335 M ammonia solution?What is the percent ionization
of ammonia at this concentration?

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