Calculate the relative molecular mass of CaCO3. (relative atomic mass (Ar): C= 12, Ca= 40, O= 16)
Number of atoms
Ca x1 => 40x 1= 40
C x 1 => 12x1 = 12
O x 3= 16 x 3= 48CaCO3
RMM= 40 + 12 + 48= 100
RM
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