Chemistry - Concentration Terms Question with Solution | TestHub

ChemistryConcentration TermsConcentration termMedium2 minQB

ChemistryMediumsingle choice

Mole fraction of solvent in aqueous solution of NaOH having molality of 3 is

Answer:

Solution:

Molality = 3 mole kg⁻¹.

It means 3 moles of solute are present in 1 kg of water.

Moles of H₂O = $\frac{1000 g}{18 g m o l e ^{- 1}} = 55.56 m o l e$

$X_{H_{2} O} = \frac{55.56}{3 + 55.56} = 0.95$

Stream:JEESubject:ChemistryTopic:Concentration TermsSubtopic:Concentration term

⏱ 2mℹ️ Source: QB

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