# General Knowledge - Chemistry - Discussion

Discussion Forum : Chemistry - Section 1 (Q.No. 2)
2.
The number of moles of solute present in 1 kg of a solvent is called its
molality
molarity
normality
formality
Explanation:
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Discussion:
57 comments Page 1 of 6.

Molality is defined as the ration of the no of grams moles of solute per kg of solvent

Molality is salvent of 1kg.

Just I guess this answer motality but how this answer was right I don't know.

Molality is ratio of no of moles present in 1kg of solvent.

Molality means the ratio of no. of present in 1kg of solvent.

Arul kiliyur upt said:   1 decade ago
solute eq.wt present in1litre(solvent)=1normal(N )
solute m.w present in 1Kg(solvent) =1molal(m)
solute m.w present in 1litre(solvent)=1molar(M )

The difference between molarity and molality is solvent in molality in kg rather in molarity litres.

ISANIKA MITRA said:   1 decade ago
Molality mean the ratio of no of present in 1kg solvent

The formula of molality is
malality=no.of moles of solute/molecular wt in litres*1000/100

The no. Of moles of solute is present in the 1 kg of solvent is called the molality.