Question

Answer me please

definition of molality and molarity?..?..


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Answer 1

Answer:

number of moles of solute dissolved in 1 kg or 1litre of solution is called molarity.

number of moles of solute dissolved in 1 kg of solvent is called molality

Answer 2

Answer:-

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Molality :-No of moles of solute dissolved in per kg of solvent.

Formulae :- W × 1000

m× wt.

Where, W=weight of substance

m= moles of mass of solute.

wt=weight of solute

Molarity :- The amount of substance dissolved in per litre of solution.

Formulae :- Molarity of substance

Vol. of solute

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