When sulfur burns, it forms sulfur dioxide (so2). its chemical reaction is s + o2 → so2.

if we know the mass of s and o2 entering this reaction, what can we say about the mass of so2?

the mass of so2 will be equal to the mass of s minus the mass of o2.

the mass of so2 will be equal to the sum of the mass of s and o2.

the mass of so2 will be equal to the mass of s.

the mass of so2 will be equal to the mass of o2.

who ever answers it correct will get

The mass of SO2 will be equal to the sum of the mass of S and O2.

Explanation:

This can be explained by the Law of Conservation of Mass. This law states that mass can neither be created nor destroyed. Knowing this, we can say that the reactants of a chemical reaction must be equal to the products.

In this case, the reactants Sulfur (S) and Oxygen (O2) must equal the mass of the product Sulfur Dioxide (SO2). Therefore, the statement "The mass of SO2 will be equal to the sum of the mass of S and O2" is correct.

i believe you are right for all except the 3rd ( look at sqdancefan his answer is much better)

the answer is the first option

explanation:

just googled it m8. not that hard

lol