Question

How many oxygen atons are there in 63g of hno3?

Answer 1

48 oxygen atoms are there in hno>3

Answer 2

atomic no. of oxygen is 16 .. so, number of oxygen atoms present in hno3 is 3× 16 = 48 ..

1 gram of hno3 contains 48 no. of atoms .

so,

63 gram of hno3 contains 63× 48 = 3,024 no. of oxygen atom .