Making Salts

Question 1

Do strong acids have a high or low concentration of H+ ions? What about strong alkalis?

Answer 1

Acids have a higher concentration of H+ ions. Strong alkalis have a high concentration of OH- ions (not H+ ions)

Question 2

What pH are acids below?

Answer 2

7

Question 3

What pH are alkalis above?

Answer 3

7

Question 4

What pH is neutral?

Answer 4

7

Question 5

What is the main factor that affects concentration?

Answer 5

The amount of dissolved solute particles in the solution, the more particles dissolved the higher the concentration

Question 6

What is a base?

Answer 6

A substance that reacts with a substance to form a salt and water only

Question 7

What is the general reaction between a metal oxide and an acid?

Answer 7

Metal oxide + acid → salt + water

Question 8

What is the general reaction between a metal hydroxide and an acid?

Answer 8

Metal hydroxide + acid → salt + water

Question 9

What is the general reaction between a metal carbonate and an acid?

Answer 9

Metal carbonate + acid → salt + water + carbon dioxide

Question 10

What is the general reaction between a metal and an acid?

Answer 10

Metal + acid → salt + hydrogen

Question 11

Which salts are soluble?

Answer 11

• All common sodium, potassium and ammonium salts
• All nitrates
• Common chlorides
• Common sulfates

Question 12

Which salts are insoluble?

Answer 12

• Common hydroxides
• Common carbonates
• Silver chloride
• Lead chloride
• Lead sulfate
• Barium sulfate
• Calcium sulfate