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Chemistry
Chemistry
Problem
Calculate the volumes of 0.200 M NH
3
_3
3
solution and 0.200 M NH
4
_4
4
Cl solution that must be mixed to obtain 100.0 mL of buffer at pH 9.25. (For NH
4
+
_4^+
4
+
,
p
K
a
=
9.25
pK_a = 9.25
p
K
a
=
9.25
.) Report each volume in milliliters.
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