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Author Question: The best explanation for the dissolution of ZnS in dilute HCl is that: a. The zinc ion is ... (Read 30 times)

P68T

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on: Aug 23, 2018
The best explanation for the dissolution of ZnS in dilute HCl is that:
   
  a.
  The zinc ion is amphoteric.
   
  b.
  The sulfide-ion concentration is decreased by the formation of H2S.
   
  c.
  the sulfide-ion concentration is decreased by oxidation to sulfur.
   
  d.
  the zinc-ion concentration is decreased by the formation of a chloro complex.
   
  e.
  The solubility product of ZnCl2 is less than that of ZnS.

Question 2

Which of the following solid salts is more soluble in 1.0 M H+ than in pure water?
   
  a.
  NaCl
   
  b.
  KCl
   
  c.
  FePO4
   
  d.
  AgCl
   
  e.
  KNO3

Question 3

Which of the following solid salts is more soluble in 1.0 M H+ than in pure water?
   
  a.
  NaCl
   
  b.
  CaCO3
   
  c.
  KCl
   
  d.
  AgCl
   
  e.
  KNO3

Question 4

The solubility of AgCl in water is _____ the solubility of AgCl in strong acid at the same temperature.
   
  a.
  greater than
   
  b.
  less than
   
  c.
  about the same as
   
  d.
  cannot be determined
   
  e.
  much different from


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Marked as best answer by a Subject Expert

robbielu01

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

b

Answer to Question 2

c

Answer to Question 3

b

Answer to Question 4

c


P68T

  • Member
  • Posts: 509
Reply 2 on: Aug 23, 2018
Excellent

connor417

  • Member
  • Posts: 329
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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