Consider these reactions, where M represents a generic metal.

2M(s)+6HCl(aq)2MCl3(aq)+3H2(g)1=635.0 kJ2M(s)+6HCl(aq)2MCl3(aq)+3H2(g)1=635.0 kJ

HCl(g)HCl(aq) 2=74.8 kJHCl(g)HCl(aq) 2=74.8 kJ

H2(g)+Cl2(g)2HCl(g) 3=1845.0 kJH2(g)+Cl2(g)2HCl(g) 3=1845.0 kJ

MCl3(s)MCl3(aq) 4=441.0 kJMCl3(s)MCl3(aq) 4=441.0 kJ

Use the given information to determine the enthalpy of the reaction

2M(s)+3Cl2(g)2MCl3(s)

= kJ