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7 Written questions

6 Multiple choice questions

  1. 7.54 (blue dog)
  2. 1.9 x 10^-4
  3. 0.821 M HF and 0.909 M NaF
  4. Elven 1.1
  5. 1.966
  6. RbOH, HBr

6 True/False questions

  1. In which of the following aqueous solutions would you expect AgBr to have the highest solubility?pure water


  2. Of the following solutions which has the greatest buffering capacity?0.821 M HC2H3O2 and 0.713 M NaC2H3O2


  3. Which of the following pairs cannot be mixed together to form a buffer solution? (2)KOH, HI


  4. Calculate the pH of a solution prepared by dissolving 0.750 mol of NH3 and 0.250 mol of NH4Cl in water sufficient to yield 1.00 L of solution. The Kb of ammonia is 1.77 x 10^-5.7.00


  5. The Henderson-Hasselbalch equation is __________.pH= pKa + log [base]/[acid]


  6. In which one of the following solution is silver chloride the most soluble?0.0176 M NH3