Question: what is the difference between atomic mass unit & gram?
Answer: A mole of carbon-12 atoms weighs 12 grams, and there are 6.022 x 1023 atoms in a mole. ... Since a carbon atom weighs 12 AMU, one AMU is equivalent to 1.66 x 10-24 grams. Conversely, one gram is equivalent to 6.022 x 1023 AMU, which is Avogadro's number.