Question

A sample contains 200 atoms of H2
0.05g atom of N2 10^-20g atom of O2 what is the approximate number of Total atoms​

Answer 1

200+ 6.02× 10^22 + 12.04×10^3

u can convert given moles of H2 and O2 into no.of atoms than add all these atoms of sample.........

hope it may be helpful for u