What Is the PH of a 0

question 90

Multiple Choice

What is the pH of a 0.42 M solution of sodium propionate,NaC₃H₅O₂,at 25°C? (propionic acid,HC₃H₅O₂,is monoprotic and has a K_a = 1.3 × 10^-5 at 25°C..K_w = 1.01 × 10^-14 )

• A) 6.06
• B) 4.75
• C) 11.10
• D) 7.94
• E) 9.25

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Definitions:

Type A Behaviour

A personality trait characterized by high levels of competitiveness, impatience, aggressiveness, and a constant sense of urgency.

Physiologically Risky

Situations or activities that pose a potential danger or threat to the physical health or well-being of individuals.

Depersonalization

A psychological state in which an individual feels detached from their thoughts, feelings, or sense of identity, often as a response to stress or trauma.

Emotional Exhaustion

A state of feeling overly drained and depleted of emotional resources, often as a result of prolonged stress or burnout.