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Raoult's Law Calculator
Calculate solution vapor pressure using Raoult's Law
Formula (Non-volatile solute): P = Xsolvent × P°solvent
Formula (Binary volatile mixture): Ptotal = XAP°A + XBP°B
Formula (Binary volatile mixture): Ptotal = XAP°A + XBP°B
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Calculation Results
⚠️ Raoult's Law applies strictly to ideal solutions where intermolecular forces between unlike molecules are equal to those between like molecules. Real solutions frequently exhibit positive or negative deviations due to molecular interactions.