Need help with my chem lab problems! Please help?

The initial precipitation of the Group II cations were carried out under rather rigorously controlled conditions of pH 0.5.
Why was such a low pH necessary to precipitate the Group II cations? What other cations would have been precipitated if a higher pH were used?

Answer:
When we have precipitation with a pH of .5 this means that you must have been working with a VERY STRONG Base. Since pH of 1 is the strongest acid we could get on a scale that reads: pH 1 2 3 4 5 6 for acids(7=water)for Bases : 8 9 10 11 12 13 14
It sounds as though you had a very strong acid. Hence you would have had to of had a very powerful Base to bring it to equilibrium

The answers post by the user, for information only, FunQA.com does not guarantee the right.



More Questions and Answers:
  • Chemistry Help II?
  • In this reaction you expect, in terms of dissociation, that?
  • Who first use the word molecule?
  • What is the units for converting liter to moles at STP?
  • Chemistry question?
  • What happens when the live Elodea cells are transferred from water into the 4% salt solution?
  • What are the main differences between a Protons and a Neutrons?
  • What two household materials cause the biggest explosion when set on fire?
  • "The works" in a glass bottle?
  • Can gas evaporate signifantly from a cars tank?