posted by Kirstie .
I'm trying to calculate the enthalpy of the reaction
Mg(s) + 2HCl(aq) -> MgCl2(aq) + H2 (g)
however I cannot find the enthalpy of the compound MgCl2 (aq) and I cannot calculate the total enthalpy without it
My text gives -641.8 kJ/mol MgCl2(s)as delta Hformation.