1.

Number of oxygen atoms in 8 gram of ozone is

Answer»

Molar mass of ozone is O3(16*3)=48 grams

No. Of moles of ozone in 8 gram of it =8/48 moles

So no.of moles of O is 3 times no. Of moles of O3 because each ozone MOLECULES CONTAINS 3 atoms of O

N=3*8/48=0.5 moles

So no.of atoms can be calculated by multiplying no. Of moles by AVOGADRO number as

0.5* 6.023×10^23=3.0115×10^23 atoms.

Hope it helps…



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