solubility rules

Question 1

always soluble refers to what

Answer 1

this is the alkali metal cations
- these are the first column of the periodic table

(H+, Li+, Na+, Rb+, Cs+, Fr+)

Question 2

NH4+

Answer 2

this is always soluble

the 4 makes it ammonium

Question 3

NO3-

Answer 3

this is always soluble

remember it is not disociating into its component parts, it is a spectator in this form

Question 4

CH3COO-

Answer 4

this is always soluble

this is acetate

Question 5

when is Cl- not soluble

Answer 5

Bound to Ag+, Hg2 2+, and Pb2+

Question 6

when is Br- not soluble

Answer 6

Bound to Ag+, Hg2 2+, and Pb2+

Question 7

when is I- not soluble

Answer 7

Bound to Ag+, Hg2 2+, and Pb2+

Question 8

when is SO4 2- not soluble

Answer 8

bound to Sr2+, Ba2+, Hg2 2+, Pb2+

Question 9

CO3-

Answer 9

this is insoluble

except when it is bound to the alkali metals and NH4+

Question 10

PO4 3-

Answer 10

this is insoluble

except when it is bound to the alkali metals and NH4+

Question 11

OH-

Answer 11

this is insoluble

except when it is bound to the alkali metals and NH4+, Ca2+, Sr2+, Ba2+,

Question 12

S2-

Answer 12

this is insoluble

except when it is bound to the alkali metals and NH4+, Ca2+, Sr2+, Ba2+,