Answer:
(i) Mole fraction Mole fraction of a component (1) is
the ratio of the moles of that component (1) and that of total moles in the
mixture of (1) and (2) or more
moles
of component (1)
moles
of component (2)
total
moles
Then mole fraction of the components (1) and (2) are
In general
(component
i)
[1]
(ii) Molality is the concentration in moles of solute per
kg of solvent. g
solute is present insolvent.
Moles of solute
Solvent
Then molality
molality
Mole fraction and molality both are not affected by change in
temperature. [1]
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