Covalent bonds in a molecule absorb radiation in the IR region and vibrate at characteristic
(a) A molecular vibration absorbs radiation of wavelength 169 pm. What frequency tin s-1)
corresponds to that wavelength? Enter your answer in scientific notation.
(b) A molecular vibration has a frequency of vibration of 9.204 x 1013 Hz. What wavelength (in pm)
corresponds to that frequency?