What Is the Hydronium-Ion Concentration of a Solution That Is

question 80

Multiple Choice

What is the hydronium-ion concentration of a solution that is formed by combining 600.mL of 0.30 M NaOH with 400.mL of 0.90 M HNO₃ at 25°C?

• A)0.090 M
• B)0.030 M
• C)0.70 M
• D)0.60 M
• E)0.18 M

---

Definitions:

DSM-5

The Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, a standard classification of mental disorders used by mental health professionals in the U.S.

Disruptive Mood Dysregulation Disorder

A psychiatric disorder characterized by severe recurrent temper outbursts that are grossly out of proportion in intensity or duration to the situation.

Persistent Irritability

A continuous or frequently recurring feeling of annoyance or frustration that can impact an individual's mood and interactions with others.

DSM-5

The fifth edition of the Diagnostic and Statistical Manual of Mental Disorders, a major classification of mental disorders used by professionals in the U.S.