Dalton's Law (P_total = Σ P_i)Chemistry
Dalton's Law of Partial Pressures & Gas Collection Calculator
Calculate individual component partial pressures (P_i = X_i * P_total), total mixture pressure, and water-vapor-corrected dry gas pressure for lab gas collection.
Calculated Result
Partial Pressure of Gas A
0.21bar
Calculator Inputs
Quick select:
fraction
Quick select:
Partial Pressure of Gas A
0.21bar
Partial Pressure of Other Gases
0.79 bar
Dry Gas Total Pressure
0.97 bar
Precise Dalton Formulation: Accurately reflects the independent pressure contribution of Gas A proportional to its molar abundance.
Gas Mixture Partial Pressure Profile
Pressure Gas A
0.21 atm(21%)
Other Gases
0.79 atm(79%)
Standard gas mixture stoichiometry tool based on Dalton's Law of Partial Pressures.
Calculation Methodology
Dalton's Law: P_total = P_1 + P_2 + ... + P_n. Component Partial Pressure P_i = Mole Fraction (X_i) * P_total. Dry Gas Collection: P_dry = P_total - P_water_vapor.
Frequently Asked Questions
It is the independent pressure that a single gas component in a mixture would exert if it alone occupied the entire volume at the same temperature.
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