Q. What happens to the vapor pressure of a solution when a non-volatile solute is added to a solvent?

जब किसी गैर-वाष्पशील विलेय को किसी विलायक में मिलाया जाता है तो विलयन के वाष्प दबाव पर क्या प्रभाव पड़ता है?

Increases
बढ़ता है

Decreases
कम हो जाती है

Remains the same
वैसा ही रहता है

First increases then decreases
पहले बढ़ता है फिर घटता है

Adding a non-volatile solute reduces the mole fraction of the solvent, lowering its vapor pressure (Raoult’s law).

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