Weak Acid and Base Equilibria
AP Chemistry · Flashcards
AP CHEMISTRY · FLASHCARDS
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QUESTION
What is the expression for the equilibrium constant
K
b
K_b
K
b
of a weak base?
QUESTION
Identify the relationship between
K
w
K_w
K
w
,
K
a
K_a
K
a
, and
K
b
K_b
K
b
for conjugate acid-base pairs.
QUESTION
What is the
p
H
pH
p
H
of a neutral solution at
25
o
25^\text{o}
2
5
o
C?
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ANSWER
p
H
=
7
pH = 7
p
H
=
7
. Equal concentrations of
H
+
H^+
H
+
and
O
H
−
OH^-
O
H
−
at equilibrium.
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