A solution is made by dissolving 1.0 mole of Na2SO4(ionic compound) into water to get 1.0L of solution. Give the conc of all the ions present in solution in M?

Answer 1

(Na23SO4) = mols/L = 1.0mol/1.0L = 1 M.
(Na+) = 2 x M Na2SO4
(SO4^2-) = M Na2SO4