If 2.50 g of CuSO4 are dissolved in 6.0 × 102 mL of 0.45 M NH3 solution, what are the concentrations of Cu2+, Cu(NH3)42+, and NH3 at equilibrium? The formation constant for Cu(NH3)42+ is 5.0 × 1013.

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crimsonwhale183Lv1

7 May 2020

If 2.50 g of CuSO₄ are dissolved in 6.0 × 10² mL of 0.45 M NH₃ solution, what are the concentrations of Cu²⁺, Cu(NH₃)₄²⁺, and NH₃ at equilibrium? The formation constant for Cu(NH₃)₄²⁺ is 5.0 × 10¹³.

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pucebuffalo277Lv1

2 Jun 2021

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In an excess of NH3(aq), Cu2+ ion forms a deep blue complex ion, Cu(NH3)42+, which has a formation constant Kf=5.6Ã1011. Calculate the concentration of Cu2+ in a solution prepared by adding 4.5Ã10â3mol of CuSO4 to 0.550 L of 0.40 M NH3. Express your answer using two significant figures.

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