Henry's law (Partial pressure of gas above solution proportional to its mole fraction in liquid)
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Partial pressure of gas above solution proportional to its mole fraction in liquid (dilute); K_H is Henry’s constant
What each symbol means
| Symbol | What it stands for |
|---|---|
| p | Equilibrium partial pressure of gas above solution |
| x | Mole fraction of dissolved gas in liquid (dilute) |
| K_H | Henry’s law constant (pressure units / mole fraction scale — check problem convention) |
When to use this
Dilute solution; constant T; gas does not react chemically with solvent.