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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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 0.354 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.
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...
Unexposed silver halides are removed from photographic film when they react with sodium thiosulfate (Na2S2O3, called hypo) to form the complex ion Ag(S2O3)23-. The reaction with silver bromide is: AgBr(s) + 2 S2O32- (aq) ⇌ Ag(S2O3)23- (aq) + Br- (aq) The equilibria that need to be considered are: Ag+ + 2 S2O32- (aq) ⇌ Ag(S2O3)23- (aq) Kf = 4.7 x 1013 AgBr(s) ⇌ Ag+ (aq) + Br- (aq) Ksp = 5.0 x 10-13 What mass of Na2S2O3 is required to...
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 grams of Na,s,o, are needed to dissolve 0.0607 moles of AgClin a 1.0L solution, if Kap for AgClis 1.8 x 10-10 and Ky for the complex ion is 4.7 x 1013) Report your answer with the correct number of significant figures. Provide your answer below:
How many moles of AgBr can dissolve in 1.0 L of 1.0 M NH3? AgBr (s) + 2 NH3 (aq) ? Ag(NH3)2+ (aq) + Br- (aq) Kc=8.0 x 10^-6
How many moles of calcium hydroxide dissolve to generate one mole of dissolved calcium? Given your answer to CTQ 10 and the concentration of calcium in the final solution calculate the mass of calcium hydroxide that can dissolve in 1 L of our 1.0 M solution of sodium hydroxide? (calcium hydroxide MW = 74.09 g/mol) Compare the solubility of calcium hydroxide you just calculated to the solubility of calcium hydroxide in pure water. By what factor did the “common ion”...
How many moles of NH3 are produced when 1.7 moles H_2 reacts? Express your answer using two significant figures. How many moles of H_2 are needed to react with 0.80 mole N_2? Express your answer using two significant figures. How many moles of N_2 reacted if 0.65 mole NH_3 is produced? Express your answer using two significant figures.
Vc4ud TUUUT A Review Consta Part A How many moles of H, are needed to react with 0.95 mol of N, 2 Express the number of moles to two significant figures. IVO AED ROO? mol H2 Submit Beuest Answer Part B Pearson l a st contact The on inc. All rights reserved.
How many moles of solid sodium fluoride should be added to 1.0 L of a saturated solution of barium fluoride, BaF2, at 25 ∘C to raise the fluoride concentration to 0.029 mol/L ? Express your answer to two significant figures and include the appropriate units. What mass of BaF2 precipitates? You may ignore the hydrolysis of fluoride ion. [Hint: This first part of this problem is most easily solved by first writing down an electroneutrality condition. See pages 721-722 in...