In black-and-white film developing, excess AgBr is removed from a film negative with “hypo,” an aqueous...
In black-and-white film developing, excess AgBr is removed from a film negative with “hypo,” an aqueous solution of sodium thiosulfate (Na2S2O3), which forms the complex ion Ag(S2O3)23–. Calculate the solubility of AgBr in 0.71 M hypo. Kf of Ag(S2O3)23– is 4.7×1013 and Ksp of AgBr is 5.0×10–13 Write the overall equation for the Ksp of AgBr and then the Kf of Ag(S2O3)23 − , add the 2 equations thus multiplying the two K values. Do an ICE chart, Enter a number to 2 decimal places.
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In black-and-white film developing, excess AgBr is removed from
a film negative with “hypo,” an aqueous...
The solubility of AgBr in water is 5.74×10-7 M, but increases in the presence of thios...
The solubility of AgBr in water is 5.74×10-7 M, but increases in the presence of thiosulfate ion. Calculate the solubility of AgBr when the solid is added to a solution that is 0.795 M in thiosulfate ion. For AgBr, Ksp = 3.30×10-13 and for Ag(S2O3)23-, Kf = 2.00×1013. Solubility = M
A saturated solution of calcium iodate contains 2.37 g/L of Ca(IO3)2. (a) What is the solubility...
A saturated solution of calcium iodate contains 2.37 g/L of Ca(IO3)2. (a) What is the solubility of calcium iodate in mol/L? (b) What are the concentrations of Ca2+ and IO3 – ion, respectively, in the saturated solution? (c) Calculate the Ksp value for Ca(IO3)2. Part b ) Silver ion, Ag+ , readily forms complex ion, Ag(S2O3)2 3– , with thiosulfate, S2O3 2– , according to the following equation: Ag+ (aq) + 2S2O3 2– (aq) ⇌ Ag(S2O3)2 3– (aq); Kf =...
How many moles of Na2S2O3 are needed to dissolve 0.354 mol of AgBr in a 1.0...
How many moles of Na2S2O3 are needed to dissolve 0.354 mol of AgBr in a 1.0 L solution if Ksp for AgBr is 3.3×10−13 and Kf for the complex ion [Ag(S2O3)2]3− is 4.7×1013? The answer should include two significant figures.
How many moles of Na2S2O3 are needed to dissolve 0.65 mol of AgBr in a solution...
How many moles of Na2S2O3 are needed to dissolve 0.65 mol of AgBr in a solution volume of 1.0 L, if Ksp for AgBr is 3.3×10−13 and Kf for the complex ion [Ag(S2O3)3−2] is 4.7×1013? Remember to use correct significant figures in your answer (round your answer to the nearest tenth).
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