Question

What is the energy per mole of photons with a wavelength of 307.1 nm ? (c=3.00×10⁸ m/s,h=6.63×10⁻³⁴ J⋅s,NA​=6.02×10²³ mol⁻¹)
a. 9.77×10¹⁴ kJ/mol
b. 3.9×10² kJ/mol
c. 1.85×10¹⁴ kJ/mol
d. 6.48×10⁻¹⁹ kJ/mol
e. 5.88×10³⁵ kJ/mol