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Chemistry - Concentration Terms Question with Solution | TestHub

ChemistryConcentration TermsConcentration termEasy2 minPYQ_2020

ChemistryEasysingle choice

$64$ $g$ non-volatile solute is added to $702$ $g$ benzene. The vapour pressure of benzene has decreased from $200$ $m m$ of $H g$ to $180$ $m m$ of $H g$ . Molecular weight of the solute is

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Answer:

Solution:

$V . P .$ has decreased by $10 %$
This happens only when $9$ $m o l e s$ solvent & one mole solute are present
$702$ $g$ benzene = $9 m o l e s$
$64$ $g = 1 m o l e$

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Concentration TermsSubtopic:Concentration term

⏱ 2mℹ️ Source: PYQ_2020

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