Raoult's Law Calculator — Free Online Tool
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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
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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.

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