Which of the Following Has the Highest Buffer Capacity

question 8

Multiple Choice

Which of the following has the highest buffer capacity?

• A) 0.10 M H₂PO₄^-/0.10 M HPO₄^2-
• B) 0.50 M H₂PO₄^-/0.10 M HPO₄^2-
• C) 0.10 M H₂PO₄^-/0.50 M HPO₄^2-
• D) 0.50 M H₂PO₄^-/0.50 M HPO₄^2-
• E) They all have the same buffer capacity.

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Definitions:

Tension

A force that stretches a material, attempting to elongate it.

Shear

A strain resulting from forces causing parts of a material to slide past each other in opposite directions.

Confining

Pertaining to geological layers or conditions that restrict the flow of groundwater due to lower permeability.

Foliation

The planar arrangement of textural or structural features in metamorphic rocks and certain igneous rocks.