14.2gm NaSo4 is dissolved in 400ml water.Find out 1)formality 2)normality

Formality = number of moles of solute/volume of solution in L
Moles of Na2SO4 = 14.2/142 = 0.1 mol

Formality = 0.1/0.4 = 0.25F

Normality = Formality/ valency = 0.25/2 = 0.125 N
 

  • -9
What are you looking for?