3. One of the spectral lines in the emission spectrum of mercury has a wavelength of 6.234 x 10-7 m. How much energy is emitted if 1.00 mole of mercury atoms emits light of 6.234 x 10-7 m? Express your answer in kJ/mol. a. 3.19 x 10-22 kJ/mol b. 5.56 x 10-1 kJ/mol 485 kJ/mol d. 215 kJ/mol 192 kJ/mol C. e.