Solubility Rules

Question 1

Steps to Predicting Products and Identifying Precipitation Reactions

Answer 1

1) Write out what each reagent looks like in solution
2) Construct a solubility Grid
3) Apply the Solubility Rules to determine states

Question 2

Group 1 and Ammonium are soluble

Answer 2

All Group 1 (alkali metals: Li+, Na+, K+, Rb+, Cs+) and ammonium (NH4+)

Question 3

Nitrates, NO3-

Answer 3

All nitrate compounds are soluble

Question 4

Chlorides, Bromides, Iodides

Answer 4

Most halid compounds are soluble except those of Ag+, Hg2(2+), and Pb(2+)

Question 5

Sulfates, SO4(2-)

Answer 5

Most sulfates are soluble, except those of Group 2

Question 6

Chlorates and perchlorates, CIO3(-) and CIO4(-)

Answer 6

All chlorates and perchlorates are soluble

Question 7

Phosphates PO4(3-)

Answer 7

All phosphates are insoluble, except those of Group 1 and ammonium

Question 8

Carbonates, CO3(2-)

Answer 8

All carbonates are insoluble, except those of Gr 1 and Ammonium

Question 9

Hydroxides, OH-

Answer 9

Most hydrosides are insoluble except Gr 1 and Ammonium

Question 10

Oxalates, C2O4(2-)

Answer 10

All oxalates are insoluble, except gr 1 and Ammonium

Question 11

Sulfides S(2-)

Answer 11

All sulfides are insoluble, except those of group 1 and ammonium.