Question

no.bole mole in 256g of O2,​

Answer 1

Answer:

no.of moles =given mass /molecular mass

=256/16×2

=8 moles .ans.

Answer 2

Hey Yo Mate.....

First We Will Calculate Number of Moles

Number of Moles =Given Mass

Molar Mass

=256/32

=8

Therefore There are 8 Moles in 256g of O2...

Hope That's Correct

Thank you✌️☺️