Question

For the aqueous [Ni(NH3).]* complex K, = 2.0 x 10% at 25 °C. Suppose equal volumes of 0.0034 M Ni(NO3), solution and 0.22 M NH, solution are mixed. Calculate the equilibrium molarity of aqueous Ni2+ ion. Round your answer to 2 significant digits. | Щм x 6 ?

Answer 1

1 0 Ni(Og) Niets + 2? Nescag) 0.0034 - - 0.0034 & co.0034) + Nida + 6 NH3 [Ni CNH3) 0.0034 M 6.22M Dė H -y -6y ty 0.0034 -y 0.22-64 Kf = 8x108 Crery, very high) reaction will almost go Completion. reagent limiting) will Consume almost completely. Not : NH3 0.0034 0.0034 Climiting) 0.0034x6 0.0204 (Given o. 82) greater than required for Complete exn. : Value of Y = 0.0034 (Not exactly but almost) En Hy Jay, 0.22 - 660.0034) = 0.1996 [NICNH)] = y = 0.6034 .

"درو N ; M " = هرxفو = مR [nift] [NHg jo = هوروہ وای ۵۰۰۰) رووواه (۱۹۲) با 3 و 6 . 6 = Not روود 0 . 1) قهوه -88x15 .وو م - دا . و =