The unit of Henry’s Law constant is _____.

Q.1 (ii) The unit of Henry’s Law constant is _____.

A. mol L^–1 bar^–1

B. mol^–1 L bar^–1

C. mol L^–1 bar

D. mol^–1 L^–1 bar^–1

Doubtly Asked 28 Oct 2026 Board exam · July 2025 hsc 12th Save WhatsApp Report

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Best answer

Answer: A. mol L–1 bar–1

Answer: (a) mol L^–1 bar^–1

Henry’s law is \(S = K_H P\), so \(K_H = S/P\). Solubility \(S\) is in mol L^–1 and pressure \(P\) in bar, giving mol L^–1 bar^–1.

Doubtly AI · 28 Oct 2026 AI-verified · Oct 2026 Report

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