Jawabanmu

2014-03-11T11:06:41+07:00
Rumus penetralan
mol basa = mol asam
V basa x Mbasa x valensi basa = Vasam x Masam x valensi asam
100 mL x Mbasa x 2 = 100 mL x 0,05 M x 1
200 Mbasa = 5
M basa = 0,025 M

mol basa = Volume basa x M basa
= 0,1 L x 0,025
=0,0025

massa = mol x Mr
= 0,0025 x 58
=0,145 gram