Which Combination of Solutions Is the Best Choice for Making

question 16

Multiple Choice

Which combination of solutions is the best choice for making a buffer solution?

• A)equal volumes of 1 M ammonia (NH₃) and 0.001 M ammonium chloride (NH₄Cl)
• B)equal volumes of 0.5 M hydrochloric acid (HCl) and 0.5 M sodium hydroxide (NaOH)
• C)equal volumes of 0.5 M hydrochloric acid (HCl) and 0.5 M sodium chloride (NaCl)
• D)equal volumes of 2 M ammonia (NH₃) and 1 M hydrochloric acid (HCl)
• E)equal volumes of 2 M ammonium chloride (NH₄Cl) and 1 M hydrochloric acid (HCl)

---

Definitions:

Major Depression

An emotional disorder defined by a consistent feeling of despondency or a waning interest in day-to-day pursuits, drastically impeding daily activities.

Substance Abuse

The detrimental or dangerous consumption of mind-altering substances, such as alcohol and illegal drugs.

Anxiety Disorders

A group of mental health disorders characterized by excessive fear, worry, or anxiety that interferes with daily activities.

Bipolar Disorder

A mental health condition that causes extreme mood swings that include emotional highs (mania or hypomania) and lows (depression).