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Author Question: The Ksp of Al(OH)3 is 2 1032. At what pH will a 0.5 M Al3+ solution begin to show precipitation of ... (Read 45 times)

mwit1967

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  • Posts: 501
on: Aug 23, 2018
The Ksp of Al(OH)3 is 2  1032. At what pH will a 0.5 M Al3+ solution begin to show precipitation of Al(OH)3?
   
  a.
  3.5
   
  b.
  10.5
   
  c.
  1.0
   
  d.
  6.0
   
  e.
  3.1

Question 2

What is the best way to ensure complete precipitation of SnS from a saturated H2S solution?
   
  a.
  Add more H2S.
   
  b.
  Add a strong acid.
   
  c.
  Add a weak acid.
   
  d.
  Add a strong base.
   
  e.
  Add a weak base.


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AngeliqueG

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Reply #1 on: Aug 23, 2018
Answer to Question 1

a

Answer to Question 2

d


mwit1967

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  • Posts: 501
Reply 2 on: Aug 23, 2018
Thanks for the timely response, appreciate it

jamesnevil303

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Reply 3 on: Yesterday
Excellent

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