2 gram NaoH (BM=40) di larutkan dalam air sehingga volume larutan 250 ml. hitunglah kemolaran larutan?

M = massa/BM x 1000/V
M = 2/40 x 1000/250 = 0,2 M

[tex]M= \frac{massa}{Mr}~\times \frac{1000}{v} \\ \\ M= \frac{2}{40}~\times \frac{1000}{250} \\ \\ M=0.2 M [/tex]