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Chemistry
Chemistry
Problem
A 0.100 M aqueous solution of ammonia, NH
3
_3
3
, is 4.5 % ionized at 25 °C. What is the
p
K
a
pK_a
p
K
a
of its conjugate acid, NH
4
+
_4^{+}
4
+
? a)
12.7
12.7
12.7
b)
3.69
3.69
3.69
c)
10.3
10.3
10.3
d)
8.31
8.31
8.31
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