What is the molar mass of magnesium (Mg)? A 12.00 g/mol B 22.99 g/mol C 24.31 g/mol D 26.98 g/mol

C 24.31g/mol

Explanation:

if you look at the periodic table, than when you look at the element magnesium (Mg) it is 24.305 in atomic mass which rounds up to 24.31

neutrons are in the middle of the atom and the electrons, which are much smaller.

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