8.4 Acid Base Reactions and Buffers

Multiple Choice

Identify the salt in the following equation:
Zn(OH)₂ + HNO₃   ---> H₂O  + Zn(NO₃)₂

• Zn(OH)₂
• HNO₃
• H₂O
• Zn(NO₃)₂

Multiple Choice

What are the products to a neutralization reaction?

• H₂ + Ionic Salt
• H₂O + Ionic Salt
• H₃O⁺ + Ionic Salt
• OH^- + Ionic Salt

Multiple Choice

Complete the following reaction:

HCl + Mg(OH)₂ -->

• MgCl₂ + H₂O

• Mg +H₂O

• MgCl₂ + H₂

• MgCl₂ + H₂O + CO₂

Multiple Choice

If 25 mL of a Ca(OH)₂ solution is needed to neutralize 15 mL of 0.18 M HC₂H₃O₂, what is the concentration of the Ca(OH)₂ solution?

• 0.216 M
• 0.108 M
• 0.3 M
• 0.054 M

Multiple Choice

What is the conjugate acid of CO₃^-2?

• CO₂^-2

• HCO₂^2-2

• H₂CO₃

• HCO₃^-1

Multiple Choice

Of the following, which is the strongest acid

• HClO

• HClO₂

• HClO₃

• HClO₄

Multiple Choice

Buffer is defined as

• ability to resist pH change
• ability to prevent pH from decreasing
• ability to resist a pH increase
• ability to resist pH change when small amount of acid added