Calculate the energy of 13.20 moles of photons emitted during the transition from the n = 5 shell to the n = 2 energy level in a hydrogen atom. Enter your answer in kJ and without units.
a) 1.21 × 10³ kJ
b) 2.42 × 10³ kJ
c) 3.63 × 10³ kJ
d) 4.84 × 10³ kJ