Calculate the wavelength of light if 1.50 mol of photons has an energy of 125 kJ.

Question

6.02x10^23 things=1.00 mol(things)
c=3.00x10^8 m/sec
h=6.626x10^-34 J sec

Answer 1

energy per photon=125,000/6.02E-23

Energy per phonton= h*f=hc/wavelength

then

wavelength=hc/energyperphoton