Do you mean the number of atoms in a 48.3 gram sample of zinc? ( grm g --is just gibberish )
48.3 grams Zinc (1 mole Zn/65.41 grams)(6.022 X 10^23/1 mole Zn)
= 4.45 X 10^23 atoms of zinc
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Determine the number of atoms in a 48.3 g\rm g sample of zinc?