Data: The heat of mixing data for the sulfuric acid (1) and water (2) mixture at 294K is represented by Ross (1952) as ΔH˜mix(kJ/mol)=x1x2[−53.531+20.869(x1−x2)]The pure component enthalpies for sulfuric acid and water are 1.596 and 1.591kJ/mol, respectively. Solution Th...