Question

In so2 and so3, the ratio of the masses of oxygen
which combine with a fixed mass of sulphur is
2:3 . This is an example of the law​

Answer 1

Answer:

below is answer

Explanation:

law of conservation of mass

Answer 2

Answer:

Law of multiple proportion

Explanation:

Law of multiple proportions-

If there are two elements which form more than one type of compound, then the ratio of mass of second element to the mass of first element is a ratio of whole numbers.

Thus, in the given case the ratio is 2 : 3, which suggests that the ratio is of whole numbers.