How many moles are in 7.14x10^35 molecules of O2

A) the enthralling of formation for pure element in its standard state is always positivehope this : )

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Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.