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5 Written questions

5 Matching questions

  1. In which of the following aqueous solutions would you expect AgCl to have the lowest solubility?
  2. A 25.0-ml sample of 0.150 M butanoic acid is titrated with a 0.150 M NaOH solution. What is the pH before any base is added? The Ka of butanoic acid is 1.5 x 10 ^-5.
  3. 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.
  4. A solution containing which of the following pairs of substances will be a buffer solution?
  5. Which of the following could be added to a solution of acetic acid to prepare a buffer?
  1. a 0.020 M BaCl2
  2. b 2.83 blue.hat cat
  3. c 7.5 x 10 ^ -3 green.egg tripod
  4. d sodium hydroxide
  5. e CsF, HF

5 Multiple choice questions

  1. 0.20 NaBr
  2. AgI
  3. .020 M BaCl2 (2nd)
  4. 9.25 egg
  5. 1.6 x 10^-5 apple .flower quint

5 True/False questions

  1. Of the substances below, ________ will decrease the solubility of Pb(OH)2 in a saturated solution.AgI


  2. The pH of a solution that contains 0.818 M acetic acid (Ka = 1.76 x 10 ^ -5) and 0.172 M sodium acetate is ______________.3.487 cat. dog hat green


  3. 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


  4. 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^ -6.4.3 x 10^-14 dog. cat fortune


  5. 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