Which of the Following Mixtures Would Result in a Buffered $\times$

question 51

Multiple Choice

Which of the following mixtures would result in a buffered solution?

• A)Mixing 100.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NaOH.
• B)Mixing 100.0 mL of 0.100 M NH₃ (K_b = 1.8 \(\times\)10^-5)with 100.0 mL of 0.100 M NaOH.
• C)Mixing 100.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NH₃ (K_b = 1.8 \(\times\) 10^-5).
• D)Mixing 50.0 mL of 0.100 M HCl with 100.0 mL of 0.100 M NH₃ (K_b = 1.8 \(\times\)10^-5).
• E)At least two of the above mixtures would result in a buffered solution.

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Definitions:

Innate Behavior

A type of behavior that is hard-wired and genetically coded, manifesting without the need for learning or experience.

Altruism

A selfless act of concern for the well-being of others, often at a personal cost.

Polygyny

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Operant Conditioning

A learning process through which the strength of a behavior is modified by reward or punishment.