Question

what is molality and molarity

Answer 1

Molarity (M) is defined as the number of moles of solute per liter of solution. molarity = moles of solute/liters of solution. Molality(m) is defined as the number of moles of solute per kilogram of solvent. molality = moles of solute/kilograms of solvent.

Answer 2

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$\color{Purple}{MOLALITY}$

✔The number of gram moles of solute dissolved per kilogram of solvent.

✔Unit of molality is Moles/Kg.

✔Mathematically ;

Molality = g. moles of solute / mass of solvent in kg

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$\color{Purple}{MOLARITY}$

✔Molarity is the number of moles of solute dissolved per litre of the solution.

✔ Its unit is moles/litre.

✔ Mathematically ;

Molarity = Gram moles of solute / vol. of soln in litres.

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