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David, what units are you using to measure the mass of a C-12 atom?
If you
change the definition of a kilogram, will this have any effect on the number
of atoms in a mole?
The mass of the C-12 atom will also be defined in this
new unit too.
number of atoms in a mole=mass of a gram of atoms/mass of a single atom in
grams.
Which is more fundamental? Defining the number in a mole, or defining a
kilogram. Aren't both somewhat arbitrary?