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7 Written questions

6 Multiple choice questions

  1. 7.54 (blue dog)
  2. KOH, HI
  3. Elven 1.1
  4. 3.57 cat. blue grape
  5. pure water
  6. 9.73

6 True/False questions

  1. How many milliliters of 0.0850 M NaOH are required to titrate 25.0 mL of 0.0720 M HBr to the equivalence point?KNO3

          

  2. What is the molar solubility of magnesium carbonate (MgCO3) in water? The solubility-product constant for MgCO3 is 3.5 x 10^-8 at 25C.KNO3

          

  3. The pH of a solution prepared by mixing 45.0 mL of 0.183 M KOH and 65.0 ml of 0.145 M HCl is _________.1.966

          

  4. The pH of a solution prepared by mixing 50.0 mL of 0.125 M KOH and 50.0 ml of 0.125 M HCl is ________.1.966

          

  5. The addition of hydrofluoric acid and ________ to water produces a buffer solution.RbOH, HBr

          

  6. Of the following solutions which has the greatest buffering capacity?0.0176 M NH3

          

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