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Lesson Summary. The atomic mass unit (AMU) is used by scientists to describe the mass of atoms. If you want to convert a mass in grams to AMU, all you need to do is divide by 1.660599 x 10^-24 g/AMU. To unlock this lesson you must be a Study.com Member. Create your account.
An atomic mass unit (amu) is defined asa. 1.602 Ã 10 -19 C.b. the mass of 1 mole of hydrogen-1 atoms.c. the mass of 1 hydrogen-1 atom.d. the mass of 1 carbon-12 atom.e. 1/12 the mass of 1 carbon-12 atom.