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How Many Moles of O2 Are There in 1.20 × 1022 Oxygen Molecules ? - Science

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Short Note

How many moles of O2 are there in 1.20 × 1022 oxygen molecules ?

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Solution

1.20 × 1022 molecules of oxygen

One mole of oxygen contains 6.022 × 1023 molecules.

1.20 × 1022 molecules of oxygen contain = 1.20 × 1022 / 6.022 × 1023 = 0.01099 moles.

Hence, 1.20 × 1022 molecules of oxygen contain 0.0199 moles of oxygen.

Concept: Mole Concept
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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 3 Atoms and Molecules
Short Answers | Q 16 | Page 172

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