A solid 0.5330-g sample which contains only AgNO3(s) and Hg2(NO3)2(s) is dissolved in aqueous medium and the metal cations are precipitated as a mixture of the respective insoluble cobalticyanide salts. 3Ag+(aq) + Co(CN)63−(aq) → Ag3[Co(CN)6](s) 3Hg22+(aq) + 2Co(CN)63−(aq) → (Hg2)3[Co(CN)6]2(s) The washed and dried precipitate has mass 0.5571 g. What was the wt% of AgNO3 in the original sample? I tried to solve this using (weight precipitate)*(gravimetric factor)(100) / weight of sample but i got the wrong answer!? can someone please shed some light on this for me !?