Jawabanmu

2014-06-17T11:43:34+07:00
M = (gr/Mr) (1000/V)
   = (5,1/17)(1/10) = 0,03 M

OH- = α x Mb
OH- = √(Kb x Mb)

α x Mb = √(Kb x Mb)
α² x Mb² = Kb x Mb
α² x Mb = Kb
α =  \sqrt{ \frac{Kb}{Mb} } = √(10^-5/ 3x10^-2) = √(3,3 x 10^-4) = 10^-2 x √3,3