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Chemistry, 18.12.2020 17:00 anme3c9

I genuinely need help because I do not understand this. Which sample contains a total of 6.0 × 10^23 atoms?

A) 24 g C
B) 78 g K
C) 42 g Kr
D) 23 g Na

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I genuinely need help because I do not understand this. Which sample contains a total of 6.0 × 10^2...
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