Question

0.05M solution of K4 [Fe(CN)6] at 300K is 92% dissociated. Calculate the osmotic pressure of the solution. (R = 0.0821 atm. LK –1 mol –1)

Answer 1

K4[Fe(CN)6] dissociates as

K4[Fe(CN)6] ⇋ 4K+ + [Fe (CN)6]4-

Number of ions (n) after dissociation is 5