Calculate the mass (in ng) of 2.33 x 1020 atoms of oxygen.
2 answers:
Answer:
g of Oxygen
Explanation:
In order to answer the question the Avogadro´s number is needed:
Avogadro´s number = 

Calculate the mass using the Avogadro´s number:
g of Oxygen
<span>Answer = 6.19 x 10^6 </span>
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