Knockout JEE Main Sept 2020
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As we learnt in
Molality -
Molality (m) = (number of moles of solute)/(mass of solvent in kg)
- wherein
It is defined as the number of moles of solute present in 1 kg of solvent. It is denoted by m.
Fraction of solute persent in water changes by changing temperature.
Ans. Option (3)
Option 1)
Molality
This is an incorrect option.
Option 2)
Weight fraction of solute
This is an incorrect option.
Option 3)
Fraction of solute present in water
This is the correct option.
Option 4)
Mole fraction.
This is an incorrect option.