What is the concentration of free Cd2 in a 010M CdNO32soluti

What is the concentration of free Cd²⁺ in a .010M Cd(NO₃)₂solution that is also 1.0M NH₃? For Cd(NH₃)₄²⁺ K_f= 1.0x10⁷

Solution

K_f= 1.0x10^-7

^{cd2+ *1 =1*10-7}

^{cd2+ =10-7}