A) A saturated solution of manganese(II) hydroxide was prepared, and an acid–base titration was performed to...

A) A saturated solution of manganese(II) hydroxide was prepared, and an acid–base titration was performed to determine its Ksp at 25 °C. The endpoint was reached when 55.00 mL of the manganese(II) hydroxide solution was titrated with 2.55 mL of 0.0050 M HCl solution. What is the Ksp of manganese(II) hydroxide?

B) What is the approximate concentration of free Ag⁺ ion at equilibrium when 1.86×10^-2 mol silver nitrate is added to 1.00 L of solution that is 1.330 M in S₂O₃^2-. For [Ag(S₂O₃)₂]^3-, K_f = 2.9×10¹³.

C) What is the approximate concentration of free Cd²⁺ ion at equilibrium when 1.15×10^-2 mol cadmium(II) nitrate is added to 1.00 L of solution that is 1.330 M in CN^-. For [Cd(CN)₄]^2-, K_f = 6.0×10¹⁸.

D) What is the approximate concentration of free Ag⁺ ion at equilibrium when 1.72×10^-2 mol silver nitrate is added to 1.00 L of solution that is 1.330 M in CN^-. For [Ag(CN)₂]^-, K_f = 1.3×10²¹.

(I don't know what needs to be updated? This is the question)

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queen_honey_blossom answered 3 months ago

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