Answers by visitors named: Shanty

Yes I put it in order and got a. Isn't that correct
Then it will be 13.75
Thank u
Concentration in g/l 500/1000= 0.5 l Therefore 34.8g/0.5 l= 69.6g/l b)Molarity= no.of moles/volume in litre No of moles= mass/molar mass of K2SO4 34.8/174= 0.198 M= 0.198/0.5= 0.396