Jawabanmu

2014-06-19T10:28:49+07:00
M . V = M . V
4 . V = 2 . 200
V = 1/2 . 200
= 100 ml

:)
2014-06-19T14:43:11+07:00
2 M . 200 ml/ 4 M = 1 M . 200 ml/ 2 M
hasil akhirnya 100 ml