Question #8dca7

1 Answer
avo
Dec 6, 2017

The mass of 1/12 of a C-12 atom

Explanation:

1 amu = the mass of #1/12# of 1 carbon 12 atom (the carbon atom with 6 protons and 6 neutron)

If this is confusing ... imagine it like this. Take a carbon 12 atom and cut it into 12 equal pieces. The mass of one of the pieces is equal to 1 amu.

The unit amu is expressed in g/mol.

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