Question

what is the molarity of solution prepared by dissolving 4 gm of NaOH in water to form 250 ml solution
a 1.0 m
B 0.2 m
C 0.4 m
d 0.04m

Answer 1

Its 0.4 m.
by putting all the values , no. of mole of sodium hydroxide comes out to be 0.1
volume of the solution is given .