Copper(I) ions in aqueous solution react with NH3 (aq) according to Cu+ (aq) + 2 NH3(aq). -> Cu(NH3)2(aq) K₁ = 6.3 × 1010 Calculate the solubility (in g.L-¹) of CuBr(s) (Ksp = 6.3 × 10-9) in 0.85 M NH3 (aq). solubility of CuBr(s): g/L

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