Question

How many moles of 02 are there in 1.20 * 10 ki power 22 oxygen molecules? Answer

Answer 1

Answer: no of molecules=moles×Avagadro number

Avagadro number is 6.022×10^23

Explanation:

1.20×10^22=moles ×6.022×10^23

0.0199 moles of oxygen,,,

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