Solubility Rules/Acids & Bases

Question 1

What ions are always soluble?

Answer 1

Na+, K+, NH4+

Question 2

____________________ are soluble unless they have ____________________.

Answer 2

Cl-, Br-, I-

Ag+, Hg2+2, Pb+2

Question 3

What polyatomic ions are always soluble?

Answer 3

NO3-, ClO3-, ClO4-, & CH3COO-

Question 4

________ is always soluble except when with ______________________ (and in some cases _______).

Answer 4

SO4-2

Sr+2, Ba+2, Pb+2

Ca+2

Question 5

IF NOT LISTED IN THIS SET, THEY ARE INSOLUBLE!!!!!

Answer 5

IMPORTANT

Question 6

Name the strong acids (all other acids not listed are weak)

Answer 6

a. Hydrohalic: HCl, HBr, HI (NOT HF)
b. Nitric: HNO3
c. Perchloric: HClO4
d. Sulfuric: H2SO4

Question 7

Name the strong bases (all other bases not listed are weak)

Answer 7

a. Sodium hydroxide
b. Potassium hydroxide
c. Calcium hydroxide
d. Group 1 & Group 2 hydroxides

Question 8

Acid- H needed

Answer 8

H+

Question 9

Acid- O needed

Answer 9

H2O

Question 10

Basic- H needed

Answer 10

H2O

Question 11

Basic- O needed

Answer 11

OH-1

Question 12

List properties of strong electrolytes

Answer 12

• many ions
• 100% dissociation
• in strong acids/bases

Question 13

List properties of weak electrolytes

Answer 13

• few ions
• > 10% dissociation
• in weak acids/bases