The relation between molarity and molality is given by
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1/m = d/M - Mb/1000
where
m is molality
d is density of solution
M is Molarity
Mb is the molar mass of solute
where
m is molality
d is density of solution
M is Molarity
Mb is the molar mass of solute
Answered by
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♣ Definitions :-
♠》 Molarity (M) :-
It is the number of moles of solute dissolved in one litre of solution.
♠》 Molality (m) :-
It is the number of moles of solute dissolve in one kg of Solvent.
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♣ Relation b/w Molarity and Molality :-
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♣ Derivation :-
We have ,
Dividing {i} by {ii} We Get,
♣ Notations Used :-
W = Mass
M = Molar Mass
1 = Solvent
2 = Solute
n = number of moles
d = density in g/mL.
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