Hi guys I’ve been sat trying to understand how to work this out for agesss but even looking at the mark scheme I don’t get it. I’ve attatched a photo but basically you have to write down the enthalpy change in KJmol-1 and then the enthalpy change of solution in KJmol-1. I get how to calculate the enthalpy change of solution but can’t for the life of me understand how to work the other one out. Any help would be SEVERLY appreciated !!! X