For the aqueous complex Ag(NH₃)₂⁺ at [Ag] M. Suppose equal volumes of solution and solution are mixed. Calculate the equilibrium molarity of aqueous ion. Round your answer to significant digits.
a) [Ag(NH₃)₂⁺] M
b) 2[Ag(NH₃)₂⁺] M
c) 0.5[Ag(NH₃)₂⁺] M
d) [NH₃] M