Question

calculate the molarity of NaOH in the solution prepared by dissolving its 4g in enough water to form 250ml of solution (GMW of NaOH- 40g)

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.