On titrating 20 ml of 0.1 M KCI with O.1 M AGNO3. (For AgCI, Ksp = 1.82 X 1o: 10). 1. The volume of AGNO3 titrant need to reach the equivalence point is 2. At the equivalence point the value of pAg = 3. pAg after addition of 25 ml AgNO, ....ml. * .........
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- CrO42- can be used as an indicator when Br- is titrated with Ag+. What concentration of CrO42- should be used so that Ag2CrO4(s) just starts to form at the equivalence point? If a concentration of 0.0010 M CrO42- is used instead, at what concentration of Br- will Ag2CrO(s) just start to precipitate? Do you think this is likely to introduce significant error? The Ksp for Ag2CrO4(s) is 1.2x10-12.If 0.3074 g of a mixture of pure KCl and KBr requires 30.98 mL of 0.1007 M AgNO3 solution for its titration, calculate the% KCl and KBr in the sample. (Pat Data: Cl, 35.453; Br, 79.904; K, 39.098)1.Given that the solubility products (Ksp) of silver chloride(AgCl),silver iodide(AgI) and silver bromide (AgBr) are 1.82×10^-10,1×10-16,5.2×10^-13 and 1.82×10^-10 respectively.Plot an arbitrary titration curve of pAg versus volume of AgNO3 for each of the above on the same set of axis.You may assume that the concentration and volume of starting materials the same. 2.Using the information above,predict the order in which each species would precipitate from first to last
- (a) For the precipitation reaction: A+ + B– AB(s)Calculate the value of the equilibrium constant for 99.99% conversion to AB atthe equivalence point, assuming that the analyte content is 5.00 mmole and thetotal volume at the equivalence point is 100.00 mL.(b) What factors affect end-point sharpness in a precipitation titration? Explain.(c) Explain briefly why silver nitrate is an important reagent used in precipitationtitrations.(d) Mohr Method, Volhard Method and Fajans Method are commonly used for thevolumetric analysis of chlorides. Distinguish the three methods in terms of thetitrants and indicators used, and how the titrations are carried out.How would you use an experimentally determined Ksp value to calculate that Ag2CrO4 should precipitate when 5ml of 0.0040 M AgNO3 are added to 5ml of 0.0024 M K2CrO4. You can come up with your own experimentally Ksp value. I just want to see steps in solvingMercury thiocyanate - Hg(SCN)2 - is slightly soluble in water. Its Ksp is 2.8 x 10-20. In the titration of 50.00 mL of 0.0457 M Hg2+ with 0.200 M SCN-, show or calculate the following: ii. The volume of SCN- needed to reach the equivalence point (Ve).
- A 0.1214-g sample of impure Na2CO3 was analyzed by the Volhard method. After adding 50.00 mL of 0.07011 M AgNO3, the sample was back titrated with 0.06021 M KSCN, requiring 27.15 mL to reach the end point. State the net ionic equation.Neutralization Titration In the standardization of HCI solution using 10.00 ml of 0.02 Na,co, according to the equation M of Na,CO, 2 HCI 2NaCl + H₂O+CO, 15.0 ml of HCI is required to reach the end point using Bromocresol green indicator the molarity of HCI (mol/L) would be al 0.032 b) 0.027 20.013 d) 0.008 e) 0.064The Zn in a 0.6185 g sample of foot powder was titrated with 23.74 mL of 0.01485 M EDTA. Calculate the % Zn in this sample. Answer: %Zn = ____ %
- You have performed an iodimetric titration using a commercial vitamin C tablet. Based on the following information below, calculate the %(w/w) of vitamin C(MM=176.16 g/mol) in the tablet: Mass of tablet dissolved in 250.0 mL: 5.422 g Aliquot volume of sample titrated: 25.00 mL Concentration of KIO3: 0.023 M Final burrette volume: 41.31 mL Initial burrette volume: 8.89 mL Blank volume: 0.14 mLConsider the titrimetric determination of acetic acid (60.05 g/mol) in vinegar. Titration of a 5.00 mL vinegar sample requires 12.15 mL of 0.250 M NaOH to reach the phenolphthalein endpoint. How many grams of acetic acid are present in the sample?A solution is 0.025 M in Pb2 + . What minimum concentration of Cl- is required to begin to precipitate PbCl2? For PbCl2, Ksp = 1.17 * 10 - 5.a) 1.17 * 10 - 5 Mb) 0.0108 Mc) 0.0216 Md) 5.41 * 10 - 4 M