Which of the following formulas contain the same number of oxygen atoms?

As oxygen is diatomic molecule and also one molecule of SO2

contain two Oxygen atoms. Hence One mole of oxygen and one mole of SO2

SO2contains a same number of oxygen atoms.

and also,

The amount of oxygen in one mole of O2 is same as that in one mole of SO2

contains a same number of oxygen atoms. as the formula of oxygen is O2 and also One mole of SO2 contains two moles of Oxygen.

Hey mate hope its help you

a police officer and a ambulance

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.