Question

differentiate molarity and molality ​

Answer 1

Answer:

An important distinction between molality and molarity is the difference between a solution and a solvent.

Molarity is the ratio of the moles of a solute to the total liters of a solution. The solution includes both the solute and the solvent.

Molality, on the other hand, is the ratio of the moles of a solute to the kilograms of a solvent. Note that the mass used in the denominator is that of only the solvent, not the solute and the solvent.

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Answer 2

Answer :-

Molarity :

• the number of moles of solute present in 1 kg of solvent
• it involves volume which changes with temperature

Molarity :

• the number of moles of the solute present per litre of the solution
• it involves kg which don't change with temperature