Problem: Blu-ray DVDs are read with a laser that has a wavelength of 405 nm. Calculate the energy of one mole of photons from this type of laser.           (a) 345 kJ          (b) 2.96×10 5 J          (c) 3.38×10 −6 J          (d) 4.91×10 −19 J          (e) 4.73×10 4 J

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Blu-ray DVDs are read with a laser that has a wavelength of 405 nm. Calculate the energy of one mole of photons from this type of laser. 

         (a) 345 kJ

         (b) 2.96×10 5 J

         (c) 3.38×10 −6 J

         (d) 4.91×10 −19 J

         (e) 4.73×10 4 J