For 1200 ML of a Buffer That Is 0

question 154

Multiple Choice

For 120.0 mL of a buffer that is 0.40M in HOCl and 0.42 M in NaOCl, what is the pH after 17.5 mL of 1.1 M NaOH is added? K_a for HOCl = 3.5 × 10^-8. (Assume the volumes are additive.)

• A) 7.12
• B) 7.48
• C) 7.43
• D) 7.07
• E) 7.84

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Definitions:

Cognitive-Behavioral

A corrective methodology aimed at addressing ineffective emotional states, behaviors, and cognitive processes through a systematically planned, objective-centered framework.

Apathy

A lack of interest, enthusiasm, or concern, often manifesting as an indifference to aspects of life that typically invoke emotional responses.

Schizophrenia

A chronic mental disorder characterized by distorted thoughts, perceptions, emotions, language, sense of self, and behavior, often manifesting as hallucinations and delusions.

Deteriorate

The process of becoming progressively worse or declining in condition, quality, or function.