6 g of a mixture of ammonium sulphate and ammonium chloride was made up to 1000cc with water . 25cc of this solution was boiled with 50cc of `M/(10)` sodium hydroxide until no more ammonia waws evolved and it was then found that the excess of sodium hydroxided required 24.3 cc of `N/(10)` hydrochloric acid for neutrilisation. What was the mass percentage of ammonium chloride in the mixture?

Answer

56