What is the energy in kilojoules per mole of the radiation corresponding to this line?

Use the Balmer equation to calculate the wavelength in nanometers of the spectral line for hydrogen when n=3 and m=2. Express your answer in nanometers to four significant figures. Part B What is the energy in kilojoules per mole of the radiation corresponding to this line? Express your answer in kilojoules per mole to four significant figures