Jawabanmu

2014-05-29T14:01:00+07:00
M = 5,4 gr
V = 1 L
mr = 312
n = m/mr
   = 5,4/312 = 0,017

S = n/v
   = 0,017/1 = 0,017

ksp = [ag⁺]² [SO₄²⁻]
      =   (2s)²  (s) = 4s³
      = 4(0,017)³ = 1,97 x 10⁻⁵