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5 Written questions

5 Matching questions

  1. In which of the following aqueous solutions would you expect PbCl2 to have the lowest solubility?
  2. The Kb of ammonia is 1.77 x 10^-5. The pH of a buffer prepared by combining 50.0 mL of 1.00 M ammonia and 50.0 mL of 1.00 M ammonium nitrate is _________________.
  3. In which aqueous solution is PbI2 least soluble?
  4. In which of the following aqueous solutions would you expect AgCl to have the lowest solubility?
  5. A solution of NaF is added dropwise to a solution that is 0.0144 M in Ba2+. When the concentration of F- exceeds ___________ M, BaF2 will precipitate. Neglect volume changes. For BaF2, Ksp = 1.7 x 10^ -6.
  1. a 1.1 x 10^-2 apple. apple toodles
  2. b 0.8 M KI
  3. c 0.020 M BaCl2
  4. d 9.25 Igloo.blue egg
  5. e .020 M BaCl2 (2nd)

5 Multiple choice questions

  1. CsF, HF
  2. 4.077 dog. O green green
  3. 2.83 blue.hat cat
  4. 2.84 blue. hat dog
  5. AgI

5 True/False questions

  1. The pH of a solution prepared by dissolving 0.350 mol of solid methylamine hydrochloride (CH3NH3Cl) in 1.00 L of 1.10 M methylamine (CH3NH2) is ________. The Kb for methylamine is 4.40 x 10 ^-4. (Assume the final volume is 1.00L.)4.488 dog. dog hat hat

          

  2. A 25 mL sample of 0.723 M HClO4 is titrated with a 0.273 M KOH solution. What is the [H+] (molarity) before any base is added?0.723 O. green blue cat

          

  3. The solubility of manganese (II) hydroxide (Mn(OH)2) is 2.2 x 10 ^ -5 M. What is the Ksp of Mn(OH)2?1.6 x 10^-5 apple .flower quint

          

  4. What is the molar solubility of barium fluoride (BaF2) in water? The solubility-product constant for BaF2 is 1.7 x 10^-6 at 25C.7.5 x 10 ^ -3 green.egg tripod

          

  5. Which of the following could be added to a solution of acetic acid to prepare a buffer?0.8 M KI

          

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