Question

8 g of O2 has the same number of molecules as : *

1 point

7 g of CO

14 g of CO2

14 g of CO

12 g CO2

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Answer 1

8 g of O2 has the same number of molecules as : 7g of CO .

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Answer 2

Moles of O2= 8/32 =0.25

No. of molecules x no. of moles

0.25 moles of CO will have same no. of molecules.

Out of given options , 0.25 moles of CO

7 g of CO

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