Chemistry Quiz

What does pH stand for?

• Potential Hydrogen

• Power of Hydrogen

• Positive Hydrogen

• Pure Hydrogen

What is the mathematical definition of pH?

• The concentration of hydrogen ions in solution

• The concentration of hydroxide ions in solution

• The negative of the base 10 logarithm of the concentration of hydrogen ions in solution

• The negative of the base 10 logarithm of the concentration of hydroxide ions in solution

What is the pH of pure water?

• 0

• 7

• 14

• 10

What is the equilibrium constant for the dissociation of water?

• Kw

• pH

• pOH

• H2O

What is the formula for Kw?

• [H3O+][OH-]

• [H+][OH-]

• [H3O+]/[OH-]

• [H+]/[OH-]

What is the concentration of hydronium ions in pure water?

• 1.0 x 10^-7 moles per liter

• 1.0 x 10^-14 moles per liter

• 1.0 x 10^7 moles per liter

• 1.0 x 10^14 moles per liter

What is the pH of a solution with a hydronium ion concentration of 1.0 x 10^-3 moles per liter?

• 3

• 7

• 11

• 14

What happens to the pH when the hydrogen ion concentration increases?

• The pH increases

• The pH decreases

• The pH remains the same

• The pH becomes neutral

What is the pOH of a solution with a hydroxide ion concentration of 1.0 x 10^-10 moles per liter?

• 4

• 7

• 10

• 14

What is the sum of the pH and pOH of a solution?

• 0

• 7

• 10

• 14