Question

what is the mass of 0.2 mole of oxygen atoms​

Answer 1

Answer:

3.2

Explanation:

mass of 1 oxygen molecule = 16 so 16 X 0.2  = 3.2

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Answer 2

Answer:

0.2 mole of oxygen atoms = 16 × 0.2 = 3.2 g

Mass of one mole of oxygen atoms = 16 g

Then, mass of 0.2 mole of oxygen atoms = 0.2 x 16g = 3.2 g

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