What’s the unit of enthalpy?

J J/ mole kJ/ mole

Jolues is unit for

Joules/mole is also a unit for enthalpy

kJ ( conversion 1 kJ = 1000 J) is a unit for enthalpy

kJ/mole is a unit for enthalpy also

The SI unit for enthalpy is either the kJ or kJ/mole.