Question

calculate the mass of % age of oxygen in nho3​

Answer 1

Nitric acid HNO

3

- mol wt. =1+14+48

=63 g

Mass percentage of hydrogen =

63

1

×100=1.586%

Mass percentage of nitrogen =

63

14

×100=22.22%

Mass percentage of oxygen =

63

48

×100=76.19%

Hence the percentage of H,Nand O are 1.58%,22.22% and 76.19% respectively.

Answer 2

1...22... and 76... percent....