Jawabanmu

2014-06-08T13:22:21+07:00
{H+} =  \sqrt{Ka x M}
10^-9 =  \sqrt{10^-5 x M}
M = 10^-13

M =  \frac{gr}{mr} x  \frac{1000}{Vml}
10^-13 =  \frac{gr}{82} x  \frac{1000}{10}
gr = 82 x 10^-11
gr = 8.2 x 10^-10
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