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Author Question: The following questions refer to the following system: 3.5 102 mL of 3.2 M Pb(NO3)2 and 2.0 102 mL ... (Read 49 times)

plus1

  • Hero Member
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  • Posts: 676
on: Aug 23, 2018
The following questions refer to the following system: 3.5  102 mL of 3.2 M Pb(NO3)2 and 2.0  102 mL of 0.020 M NaCl are added together. Ksp for the lead chloride is 1.6  105.
  Determine the equilibrium concentration of the chloride ion.
   
  a.
  3.9  104
   
  b.
  8.0  106
   
  c.
  2.8  103
   
  d.
  6.1  102
   
  e.
  none of these

Question 2

The following questions refer to the following system: 3.5  102 mL of 3.2 M Pb(NO3)2 and 2.0  102 mL of 0.020 M NaCl are added together. Ksp for the lead chloride is 1.6  105.
  What is the limiting reagent in the formation of the lead chloride?
   
  a.
  Pb2+
   
  b.
  Cl
   
  c.
  (NO3)
   
  d.
  PbCl2
   
  e.
  Pb(NO3)2

Question 3

The following questions refer to the following system: 3.5  102 mL of 3.2 M Pb(NO3)2 and 2.0  102 mL of 0.020 M NaCl are added together. Ksp for the lead chloride is 1.6  105.
  Will precipitation occur?
   
  a.
  Yes.
   
  b.
  No.
   
  c.
  Maybe, it depends on the temperature.
   
  d.
  Maybe, it depends on the limiting reagent concentration.
   
  e.
  None of these.


sailorcrescent

  • Sr. Member
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  • Posts: 334
Reply #1 on: Aug 23, 2018
Answer to Question 1

c

Answer to Question 2

b

Answer to Question 3

a


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