Solubility

Question 1

Which compounds are always soluble?

Answer 1

Compounds containing Li+, Na+, K+, NH4+, NO3-, or C2H3O2-

Question 2

Which three compounds are mostly soluble with three exceptions? What are the exceptions?

Answer 2

Cl-, Br-, I-

Exceptions: Ag+, Hg2^(2+), or Pb^(2+)

Question 3

What compound is mostly soluble, with four exceptions. What are the exceptions?

Answer 3

SO4^(2-)

Exceptions: Ca^(2+), Sr^(2+), Ba^(2+), or Pb^(2+)

Question 4

Compounds containing OH- are mostly insoluble, with what exceptions?

Answer 4

Soluble: Li+, Na+, K+, NH4+,

Slightly soluble: Ca^(2+), Sr^(2+), or Ba^(2+)

Question 5

Compounds containing S^(2-) are mostly insoluble, with what exceptions?

Answer 5

Li+, Na+, K+, NH4^+, Ca^(2+), Sr^(2+), or Ba^(2+)

Question 6

Compounds containing CO3^(2-) or PO4^(3-) are mostly insoluble, with what exceptions?

Answer 6

Li+, Na+, K+, or NH4^(+)