A Buffer Is Prepared by Adding 0

question 86

Multiple Choice

A buffer is prepared by adding 0.5 mol of solid sodium hydroxide to 1.0 L of 1.0 M acetic acid (CH₃COOH) . What is the pH of the buffer?

• A)The pH will be pK _a - 0.30, where pK _a is that of acetic acid.
• B)The pH will be greater than the pK _a for acetic acid.
• C)The pH will be less than the value in answer a.
• D)The pH will be equal to the pK _a for acetic acid.
• E)More information is needed to solve the problem.

Apply knowledge of normal and abnormal vital signs to assess patient conditions accurately.

Differentiate between various respiratory and cardiac conditions based on symptoms and diagnostic tests.

Appreciate the importance of patient education in managing chronic conditions like COPD.

Understand physiological responses to stress and how they impact patient care.

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Definitions:

Classical Conditioning

A learning process involving the repeated coupling of two stimuli which results in a response first elicited by the second stimulus but later elicited by the first stimulus alone.

Drug Habituation

A situation where increased exposure to a drug leads to reduced sensitivity or effect without physiological dependence.

Immunosuppression

A reduction of the effectiveness of the body's immune system, either by diseases, certain drugs, or medical procedures.

Conditioned Stimulus

An initially neutral stimulus which, upon being paired with an unconditioned stimulus, eventually elicits a conditioned response.