Question

calculate the no.of protons present in 64g of o2

Answer 1

Answer: 2*6.02*10^23

Explanation:

16 g. Of oxygen have 6.02×10^23 molecules of O.

So 32g. Of oxygen have 6.02×10^23 modules of O2 ( or 2×6.02×10^23 molecules of O.)

64 g of oxygen have 2×6.02×10^23 molecules of O2.