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21-04-2020
Chemistry

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completethe mass in grams of sample of carbon containing 68 atoms?

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21-04-2020

Answer:

1.356x10⁻²¹ grams.

Explanation:

mass of carbon containing 68 atoms = 12g Carbon/6.02x10²³atoms = 1.993x10⁻²³ g/atom x 68 atoms = 1.356x10⁻²¹ grams.

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