Jawabanmu

2014-01-27T21:37:44+07:00
M=98. 18 : 18 = 18

H2SO4 ---> 2H+ + SO4^2-
2. 18 = 36
Ph = - log 36
Jawaban paling cerdas!
2014-01-27T21:59:24+07:00
M= V.L    --> L = 1,8 ml = 0,0018 KgL
M= 1,8 x 0,0018
M= 0,00324 Kg  ----> 3,24 gram
98/100 x 3,24 = 3,2 gram
n=m:Mr
n=3,2 : 98 = 0,03 mol
M = 2x0,15 = 0,30 m
[H+] = 3 x 10^-1
  Ph = - log ( 3x10^-1)
       = - log 3
1 5 1