Which of the Following Yields a Buffer Solution When Equal

question 120

Multiple Choice

Which of the following yields a buffer solution when equal volumes of the two solutions are mixed

• A) 0.10 M NH₃ and 0.10 M HCl
• B) 0.10 M NH₄⁺ and 0.10 M KOH
• C) 0.20 M NH₃ 0.10 M KOH
• D) 0.20 M NH₃ and 0.10 M HCl
• E) 0.20 M NH₄⁺ and 0.10M HCl

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Definitions:

Divergent Boundary

A tectonic plate boundary where two plates are moving away from each other, leading to the creation of new crust.

Transform Boundary

A type of plate boundary where two tectonic plates slide past each other horizontally, often associated with earthquakes.

Mantle

The layer of the Earth between the crust and the outer core, composed of silicate rocks that are rich in magnesium and iron.

Melting

The process of changing from a solid to a liquid state due to an increase in temperature and/or a decrease in pressure.