Determine if precipitation of Cu2O (s) will occur when 120.0mL of 4.00 x 10^-9 M (NH4)2O is added to 70.0mL of 5.00 x 10 ^-9 M Cu2SO4. Assume that both dissolve 100% in water. Ksp Cu2O=2.00 x 10^-28 Cu2O in Equilibrium with 2Cu+ and O2-

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