Question

calculate the molarity of NaOh in the solution prepared dissolving 4grams in enough water to from 250ml of the solution​

Answer 1

HEYA MATE HERE U GO.

WNaOH = 4gm

v= 250ml

GMW= 40

M= ?

M= w/GMW × 1000/V(ml) = = 4/40 × 1000/250 = 0.4M.