Consider a weak acid, HX. The value of $\Delta$G° for the acid's dissociation reaction at 25°C is 42.6 kJ. Determine the value of K_a for the acid.

Name: Consider a weak acid, HX. The value of $\Delta$G° for the acid's dissociation reaction at 25°C is 42.6 kJ. Determine the value of K a for the acid.
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Question

Quizplus · Accepted Answer

The relationship between ΔG° and K is given by ΔG° = -RT ln(K). Substituting the given ΔG° value and solving for K at 25°C (298 K) gives K = 3.41 × 10^-8.

Consider a Weak Acid, HX Δ\DeltaΔ G° for the Acid's Dissociation Reaction at 25°C Is 42

Consider a Weak Acid, HX $\Delta$ G° for the Acid's Dissociation Reaction at 25°C Is 42