A NH3/NH4Cl buffer solution (prepared by adding 12M HCl drop wise to the 0.05 moles of NH3 until pH=8.5 then add distill water to the volumetric flask; the final volume is 500.0 mL).
1. write the net ionic equation to show NH3 makes the solution basic
2. can the solution dissolve 10.00g CuCl2

Ka of NH4Cl =5.6 x 10^-10
Kf of Cu(NH3)4^2+ = 4.8 x 10^12
Cu(OH)4^2- = 1.3 x 10^16
Ksp of Cu(oh) = 1.3 x 10^-20

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