What Is the PH of a Solution That Consists of 0.50

question 62

Multiple Choice

What is the pH of a solution that consists of 0.50 M H₂C₆H₆O₆ (ascorbic acid) and 0.75 M NaHC₆H₆O₆ (sodium ascorbate) ? [K_a(H₂C₆H₆O₆) = 6.8 × 10^-5]

• A) 3.76
• B) 3.99
• C) 4.34
• D) 4.57
• E) 5.66

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Definitions:

Anemic

A condition characterized by a deficiency of red blood cells or hemoglobin in the blood, leading to fatigue and pallor.

Mitral Valve

A valve in the heart that lies between the left atrium and the left ventricle, which regulates blood flow from the upper to the lower chamber on the left side.

Left Ventricle

The lower left chamber of the heart that receives oxygenated blood from the left atrium and pumps it out under high pressure to the body through the aorta.

Left Atrium

The upper left chamber of the heart that receives oxygenated blood from the pulmonary veins and pumps it into the left ventricle.