Solutions, Acids, and Bases Review

What is the solute in a saltwater solution?

• Water

• Salt

• Air

• Sugar

What is the molarity of a solution with 2 moles of NaCl in 1 liter of solution?

• 0.5 M

• 1 M

• 2 M

• 4 M

Which of the following is a strong acid?

• H2CO3

• HF

• HCl

• CH3COOH

What is the pH of a neutral solution at 25°C?

• 0

• 7

• 10

• 14

Which compound would increase [OH−] in an aqueous solution?

• HCl

• NaOH

• NH4Cl

• H2SO4

• 4

• 10

• 7

• 2

Which of the following best describes a weak base?

• Completely dissociates in water

• Has a pH of exactly 7

• Partially reacts with water to produce OH−

• Is insoluble in water

Which term describes a solution that has more solute than it can normally hold at a given temperature?

• Saturated

• Unsaturated

• Dilute

• Supersaturated

Which pair forms a conjugate acid-base pair?

• HCl / Cl−

• NaOH / Na+

• H2O / O2

• CH4 / CH3+

Which of the following would most likely have a pH close to 13?

• Vinegar

• Lemon juice

• Baking soda solution

• Sodium hydroxide solution