Jawabanmu

2014-02-21T17:57:03+07:00
M = gr . 1000 / Mr . V
M = 19,6 . 1000 / 98 . 500
M = 0,4

[H^+] = akar 1 x 10^5 . 4 x 10^-1
[H^+] = akar 4 x 10^4
[H^+] = 2 x 10^2

pH = -log 2 x 10^2
pH = 2 - log 2
pH = 2- 0,301
pH = 1,699
1 4 1