August 2018 2 101 Report
Larutan penyangga yang terdiri dari 100 ml larutan HCN 0,1 M (Ka=2 X 10 pangkat -5) dan 200 ml larutan KCN 0,1M memiliki ph sebesar....
a. 5-log 2
b. 5
c. 5+log2
d.9
e. 9+log2
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