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 HClsolution. What is the Ksp of manganese(II) hydroxide?
B) What is the approximate concentration of freeAg+ ion at equilibrium when1.86×10-2 mol silvernitrate is added to 1.00 L of solutionthat is 1.330 M inS2O32-. For[Ag(S2O3)2]3-,Kf = 2.9×1013.
C) What is the approximate concentration of freeCd2+ ion at equilibrium when1.15×10-2 mol cadmium(II)nitrate is added to 1.00 L of solutionthat is 1.330 M inCN-. For[Cd(CN)4]2-, Kf =6.0×1018.
D) What is the approximate concentration of freeAg+ ion at equilibrium when1.72×10-2 mol silvernitrate is added to 1.00 L of solutionthat is 1.330 M inCN-. For[Ag(CN)2]-, Kf =1.3×1021.
(I don't know what needs to be updated? This is thequestion)
