What Is the Energy in Joules of a Mole of Photons

Multiple Choice

What is the energy in joules of a mole of photons associated with red light of wavelength 7.00 × 10² nm?

A) 4.72 × 10^-43 J
B) 1.71 × 10⁵ J
C) 12.4 kJ
D) 256 kJ
E) 2.12 × 10⁴² J