// multi-utility computation suite · offline · instant · precise
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sci.Henry-law-gas-liquid-partitioning Calculator
Calculates partial pressure of a dissolved gas in liquid using Henry's law: p = KH × c, where KH is the Henry's law constant. CO₂ has KH = 29.4 L·atm/mol at 25 °C — carbonated water at 3 atm CO₂ pressure contains ~0.1 mol/L dissolved CO₂.
Inputs
C Water Mgl
Amount of solute per unit volume. Higher concentration = more solute dissolved.
Kh Atm M3 Mol
Reference formula or conversion factor shown for context.
Mw G Mol
Body or object weight. For health calculators, usually in kg or lbs.
T C
Thermal state of the substance. Check whether the formula needs Celsius, Fahrenheit, or Kelvin (K = °C + 273.15).
Results
partial pressure in air (Pa)
Sample size or count used in the calculation.
gas-phase concentration (mg/m³)
The proportional relationship between two quantities.
dimensionless H (Hcc)
Sample size or count used in the calculation.
p = KH · c_aqueous
Reference formula or conversion factor shown for context.
volatility class
The classification assigned based on the computed value.
risk assessment
Overall risk level based on the computed score or classification. Higher risk may call for mitigating actions or additional review.