g NH4NO3 MgSO4 [1] Mass of salt (g) 2.005 1.993 [2] Volume of DI water (mL) 49.8 50.0 Mass of DI water (g) 49.8 check_circle 49.8 check_circle [3] Temperature of DI water (°C) 23.4 23.5 [4] Temperature of mixture after dissolution (°C) 20.4 30.9 Temperature difference (°C) -3 check_circle 7.4 check_circle [5] Total mass in reaction (g) 51.805 check_circle 51.993 check_circle Total moles reacted (mol) .025 highlight_off .017 highlight_off Total heat of the reaction (cal) 155.4 highlight_off 384.7 highlight_off [6] Enthalpy of solution ΔHsolution (cal/mol) -6216.6 highlight_off 23177.6 highlight_off