You Have 500

question 113

Multiple Choice

You have 500.0 mL of a buffer solution containing 0.20 M acetic acid (CH₃COOH) and 0.30 M sodium acetate (CH₃COONa) .What will the pH of this solution be after the addition of 20.0 mL of 1.00 M NaOH solution? [K_a = 1.8 × 10^-5]

• A)4.41
• B)4.74
• C)4.56
• D)4.92
• E)5.07

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Definitions:

Parasympathetic

is part of the autonomic nervous system that conserves energy by slowing the heart rate and increasing intestinal and gland activity.

Neural Impulses

Electrical signals transmitted along neurons, facilitating communication within the nervous system.

Incoming Signal

An external or internal stimulus that is received and processed by a biological, mechanical, or electronic system.

Hemispheres

Rephrased: The two symmetrical halves of the brain or certain organs, each performing specific functions and controlling different aspects of sensory and motor skills.