Calculate the number of atoms present in 7.1 g of chlorine ?

Calculate the number of atoms present in 7.1 g of chlorine ?
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Calculate the number of atoms present in 7.1 g of chlorine ? A. `0.2 N_(A)` B. `0.3N_(A)` C. `0.4N_(A)` D. `0.5 N_(A)`
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