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Question

Which of the following formulae are correctly mentioned?


A

Molarity=Number of moles of solventvolume of solvent (litres)

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B

Molarity=Number of moles of solventvolume of solute (kg)

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C

Molarity=Number of moles of solutevolume of solution (litres)

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D

Molality=Number of moles of soluteMass of solvent (kg)

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Solution

The correct options are
C

Molarity=Number of moles of solutevolume of solution (litres)


D

Molality=Number of moles of soluteMass of solvent (kg)


(a)Molarity=Number of moles of soluteVolume of solution (litres)

(b)Molarity=Number of moles of soluteMass of solvent (kg)

Please be careful about these definitions, they form the basis of many calculations in chemistry.


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