FInal exam tri 3 chemistry

Which is the Brønsted-Lowry acid in the reaction?

HCO₃^- + H₂O → H₂CO₃ + OH^-

• HCO₃^-

• H₂O

• H₂CO₃

• OH^-

Molarity is expressed as _______ of solute per ______ of solution

• mol/L

• g/L

• L/mol

• kg/L

What is the molarity of a solution with 0.25 mol of HNO₃ dissolved in 1.5 L of solution?

• 6.0 M

• 0.17 M

• 0.38 M

• 2.5 M

Arrhenius acids form __________ ions in solution, and Arrhenius bases form __________ ions in solution.

• OH^-, H₃O⁺

• OH^-, H⁺

• H₃O⁺, OH^-

• H⁺, H₃O⁺

If the substance is neutral, what would its pH be?

• 0

• 5

• 7

• 14

__________ acids and bases dissociate completely in solution, while __________ acids and bases do not.

• Weak, strong

• Strong, weak

The pH range of acids is _______, and the pH range of bases is _______.

• 0-6, 8-14

• 8-14, 0-6

Which of the following is a property of a base?

• Bitter taste

• Reacts with metals

• Has a low pH

• Sour taste

Pure water has a pH of 7. Pure water _______.

• is a base
• is a neutral substance
• could be either an acid or a base
• is an acid

Which is the stronger acid?

• pH 1
• pH 4
• pH 8
• pH 13