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Xi MDCAT XI Complete Chemistry Grand Test #Chemical Equilibrium #Le Chatelier's Principle

1

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For the equilibrium in blood: CO₂ + H₂O ⇌ H₂CO₃ ⇌ H⁺ + HCO₃⁻ what happens if CO₂ escapes from the system?

Verified Answer & Explanation⌄

Correct Answer: D) Hydrogen ion concentration will diminish

Concept Explanation

Removing CO₂ shifts the carbonic-acid equilibrium to the left. Less H₂CO₃ dissociates, so the H⁺ concentration decreases and pH rises.

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