问答题
Compute [OH
-
] and [H
+
] in a 0.10 M solution of a weak monoprotic base which is 1.30/% ionized. What is the pH of the solution?
【正确答案】
B+H
2
O====BH
+
+OH
-
[OH
-
]=0.013×0.10M=1.3×10
-3
M
Thus [H
3
O
+
]=7.7×10
-12
M and pH=-lg(7.7×10
-12
)=11.11
【答案解析】
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