Chemistry · Some Basic Concepts of Chemistry
हिन्दीGiven below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Molality of a solution does not change with change in temperature. Reason (R): Molality is expressed in terms of moles of solute per litre of solution. In the light of the above statements, choose the correct answer from the options given below:
Correct answer · Option 1
(A) is true but (R) is false.
Explanation
Molality involves mass of solvent, which is independent of temperature. Reason defines molarity, not molality.