The Ksp of Al(OH)3 is 2 1032. At what pH will a 0.5 M Al3+ ...

[mwit1967]

The K_sp 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.

[AngeliqueG]

Answer to Question 1

a

Answer to Question 2

d

[mwit1967]

Wow, this really help

[helenmarkerine]

YES! Correct, THANKS for helping me on my review