solubility rules in water

Question 1

Any substances in group 1, alkali ions Na+, K+, Li+, or ammonium (NH4+) cations with acetate (C2H3O2) or nitrate (NO3-) anions are __ in water?

Answer 1

soluble

Question 2

Any substance with carbonate (CO3 ^-2) or chromate ( CrO4 ^-2) or phosphate (PO4 ^-3) anions are

Answer 2

insoluble, except if with those cations with listed in rule number 1

Question 3

all halides ( F-, Cl-, Br-, I-, and At-) are

Answer 3

soluble, except Ag+, Hg2^+2, and Pb+

Question 4

all sulfates ( SO4^-2) are

Answer 4

soluble, except those alkaline earth ions Sr2+, Ba+2, and Pb+2

Question 5

all sulfides (S^-2) and hydroxides (OH-) are

Answer 5

insoluble, except those sparingly soluble of cations of alkaline earth ions Ca2+, Sr2+, and Ba2+ and cations listed in rule one