Jawabanmu

2014-06-20T21:39:02+07:00
PH = 6
H+ = 10^-6

H+ = Ka (asam lemah/basa konjugasi)
10^-6 = 10^-5 (V1 x 10^-2) / (V2 x 15 x 10^-2)
10^-6 = 10^-5  V1 / 15V2
15 x V2 x 10^-6 = V1 x 10^-5 
1,5 = V1/V2
3/2 = V1/V2

Maka perbandingan volyme CH3COOH : CH3COONa = 3 : 2