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Why does the magnitude of enthalpy of dilution keep decreasing when we dilute a non-ideal solution?
Accepted Answer
Dilution of non-ideal solutions results in a decrease in the magnitude of enthalpy of dilution because the solute-solvent interactions are weakened. As the solution is diluted, the solute molecules become more dispersed and the solvent molecules become more ordered, leading to a decrease in the strength of the interactions between them. This decrease in interaction strength results in a smaller change in enthalpy upon dilution, and hence, a decrease in the magnitude of the enthalpy of dilution.
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