Question

How many moles are there in20 g of oxygen molecules.
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Answer 1

Answer: Weight of 1 mole of Oxygen molecules is 36grams.. ( 1 molecule of oxygen contains 2 atoms of oxygen and weight of 1 atom of oxygen is 16 gram.)

No. of moles present 20g of oxygen molecules = 20 ÷ 36 = 0.56 moles of oxygen molecules

Explanation:

Answer 2

Answer:

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