Answer to Question #112688 in General Chemistry for Beverlie

Question

1. One millimole of Ni(NO3)2 dissolves in 260.0 mL of a solution that is 0.500 M in ammonia.
The formation constant of Ni(NH3)62+ is 5.5×108.
a) What is the initial concentration of Ni(NO3)2 in the solution?
b) What is the equilibrium concentration of Ni2+(aq ) in the solution?

Answer 1

a) 0,004

b) 6,25 * 10^-10