what weight of calcium contains the same number of atoms as those in a 3 g of carbon?

Dear Student,12 g of carbon contains = 6.023 ×1023 atoms 3 g of carbon contains = 6.023 ×102312 ×3 atoms =1.505× 1023 atoms Weight of 6.023 ×1023 atoms of calcium =40 gWeight of 1.505× 1023 atoms of calcium =406.023 ×1023× 1.505× 1023= 9.9 g9.9 g of calcium contain the same number of atoms as those in 3 g of carbon.Regards

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