⚠️Our tutors found the solution shown to be helpful for the problem you're searching for. We don't have the exact solution yet.

# Solution: Even though so much energy is required to form a metal cation with a 2+ charge, the alkaline earth metals form halides with the general formula MX2, rather than MX.(c) Use Hess’s law to calculate ΔH° for the conversion of MgCl to MgCl2 and Mg (ΔH° f of MgCl2 = −641.6 kJ/mol).

###### Problem

Even though so much energy is required to form a metal cation with a 2+ charge, the alkaline earth metals form halides with the general formula MX2, rather than MX.

(c) Use Hess’s law to calculate ΔH° for the conversion of MgCl to MgCl2 and Mg (ΔH° f of MgCl2 = −641.6 kJ/mol).