Calculate the PH of a Buffer That Is 0

question 134

Multiple Choice

Calculate the pH of a buffer that is 0.020 mol L^-1 HF and 0.040 mol L^-1 LiF. The K_a for HF is 3.5 × 10^-4.

• A) 2.06
• B) 4.86
• C) 3.16
• D) 3.46
• E) 3.76

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Definitions:

Reims Portal

A richly decorated entrance door to the Reims Cathedral in France, an exemplary piece of Gothic architecture, known for its detailed sculptures and historical significance.

Gothic Portal Sculpture

Sculptural art designed for the entranceways of Gothic cathedrals, featuring biblical figures and scenes.

Springing

The lowest stone of an arch, resting on the impost block. In Gothic vaulting, the lowest stone of a diagonal or transverse rib.

Late Gothic Flamboyant

Describes the style of Gothic architecture in the late medieval period, characterized by intricate designs, flamboyant decorative patterns, and elaborate window tracery.