Q. 6.5g KOH, NaOH and Na2CO3 were dissolved in water & made up to 250ml 25ml of this solution requires 26.23 ml of semi normal H2SO4 when methyl orange is used as a indicator another 25ml of this solution requires 19.5ml semi normal sulphuric acid using phenolphthalein as indicator. Find a composition by mass of the mixture.
