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From the following chemical reactions determine the relative Brønsted-Lowry acid strengths (strongest to weakest).
HCl(aq) + H₂O(l) → H₃O⁺(aq) + Cl⁻(aq)
HCN(aq) + H₂O(l) ⇌ H₃O⁺(aq) + CN⁻(aq)

(a) HCl > H₃O⁺ > HCN
(b) HCl > HCN > H₃O⁺
(c) HCN > H₃O⁺ >HCl
(d) H₃O⁺ > HCl > HCN