What Is the Sum of the Coefficients When the Following

question 70

Multiple Choice

What is the sum of the coefficients when the following is balanced with the smallest integer coefficients?
Al(s) + HCl(aq) → AlCl₃(aq) + H₂(g)

• A)13
• B)11
• C)18
• D)19
• E)21

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Definitions:

Carbonic Anhydrase

An enzyme that catalyzes the conversion of carbon dioxide and water into bicarbonate and protons, critical for maintaining acid-base balance in blood and tissues.

Tidal Volume

The volume of air that is inhaled or exhaled in a single breath during normal breathing.

Pleural Cavity

The slim space between the lungs and the chest wall, containing a small amount of lubricating fluid.

Pleural Membranes

Thin layers of tissue that line the thoracic cavity and envelope the lungs, aiding in respiration by facilitating lung expansion and contraction.