Jawabanmu

2014-06-11T15:31:23+07:00
NHCl = V.M = 100 x 0,4 = 40 n H2SO4 = V.M = 400 x 0,075 x 2 = 60 H+ = nH2SO4 - nHCl / Volume campuran = 60-40/500 = 0,04 pH = 2-log4