Question

Calculate the number of molecules present in
6.4g of oxygen .​

Answer 1

Answer:

So 6.4g of oxygen contains 4.80 X 1023 molecule

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Answer 2

Answer:-

1.2046×10*23

Explanation:-

Number of moles of O2 = 6.4/32

=0.2moles

Number of O2 molecules =0.2×6.023×10*23

=1.2046×10*23