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- To prepare 1 liter of 0.10 M acetate buffer at PH 5.20.I need to mix _____g of CH3COONa molecular weight 82.03 g/mol with ______ml of 6.0 moler HCL and dilute the solution to the volume of 1 liter .pKa of acetic acid is 4.76..fill in the above blanks.??.(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.A Fajans titration of a 0.7908-g sample required 45.32 mL of 0.1046 M AgNO3 . Express the results of this analysis in terms of the percentage of BaCl2 * H2O. (Use a MW value in 4 decimal places)
- How many grams of potassium napthenate (KC11H7O2; MW=210.27 g/mole; Kb=85x10-10) must be added to 50.0 ml of 0.4 M Naphthenic acid (HC11H7O2; Ka=5.4x10-5) to obtain a buffer with pH 5.0?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 solvingIf 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)
- The Ka values for nitrous acid (HNO2) and hypochlorous (HClO) acid are 4.5 x10-4and 3.0 x10-8, respectively. Which one would be more suitable for use in asolution buffered at pH = 7.0? What other substances would be needed to makethe buffer?If 5.00 mLof 0.200 M Na2SO4 are added to 1.00 L of 0.100 M BaCl2, will a precipitate form? Ksp of BaSO4=1.1x10^-10100 mL of 2.0 M acetic acid with a Ka=1.8x10^-5 is diluted to 1L. If final acetate concentration is 0.76M, what is the pH of resulting buffer solution?
- A solution is prepared by dissolving 1.800 g of sodium acetate (CH3COONa) into 100.00 mL of a 0.180 M solution of acetic acid. The Ka of acetic acid is 1.8 x 10-5. What is the pH of the solution?A 270.00 mL solution of 0.00150 M AB4 is added to a 380.00 mL solution of 0.00250 M C3D4. What is pQsp for A3D4?Mercury 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).