English, 06.07.2020 06:01, heyhowdy

How many atoms are in each elemental sample? Express your answer using two significant figures.
A. 4.8 mol Cu
B. 5.6x10^-3 mol C
C. 20.0 mol Hg
D. 0.285 mol Na

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How many atoms are in each elemental sample? Express your answer using two significant figures.