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5 Written questions

5 Matching questions

  1. The solubility of lead (II) chloride (PbCl2) is 1.6 x 10^-2 M. What is the Ksp of PbCl2?
  2. Which of the following could be added to a solution of acetic acid to prepare a buffer?
  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?
  4. Of the substances below, ________ will decrease the solubility of Pb(OH)2 in a saturated solution.
  5. Which compound listed below has the smallest molar solubility in water?
  1. a 1.6 x 10^-5 apple .flower quint
  2. b 0.723 O. green blue cat
  3. c Pb(NO3)2
  4. d sodium hydroxide
  5. e AgI

5 Multiple choice questions

  1. 0.20 NaBr
  2. 7.5 x 10 ^ -3 green.egg tripod
  3. 2.84 blue. hat dog
  4. 1.1 x 10^-2 apple. apple toodles
  5. 0.020 M BaCl2

5 True/False questions

  1. In which of the following aqueous solutions would you expect PbCl2 to have the lowest solubility?0.020 M BaCl2


  2. A solution containing which of the following pairs of substances will be a buffer solution?0.8 M KI


  3. Calculate the pH of a solution prepared by dissolving 0.150 mol of benzoic acid HBz and 0.300 mol of sodium benzoate in water sufficient to yield 1.00 L of solution. The Ka of benzoic acid is 6.50 x 10^-5.11.14 apple apple. apple dog


  4. 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 ______________.4.077 dog. O green green


  5. In which aqueous solution is PbI2 least soluble?0.8 M KI


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