Jawabanmu

2014-03-02T08:41:23+07:00
Mol asam: 5.6/56 = 0.1 Molar asam = 0.1 x 1000/250 = 0.4 M Ma.Va.a=Mb.Vb.b 0.4 x 25 x 1 = Mb x 40 x 1 Mb = 0.25 M