Question #ea371

1 Answer
Aug 2, 2017

15.05 x 10^23

Explanation:

No.of moles of Sulfur dioxide = 1.25

Formula of sulfur dioxide = SO_2

No.of Oxygen atoms present in 1 molecule of SO_2 =2

Moles of Oxygen atoms present in SO_2 = 2 xx 1.25 => 2.5

No.of oxygen atoms = Moles*Avogadro's number

= 2.5 xx 6.022 xx 10^23
= 15.05 xx10^23