Question

Define the law of multiple proportions. Explain it with two examples. How does this law point to the existenceof atoms?

Answer 1

Answer:

For example, sulphur combines with oxygen to form two compounds, namely, sulphur trioxide and sulphur dioxide. ... These masses of oxygen bear a simple ratio of 48 : 32 or 3 : 2 to each other. This law shows that there are constituents which combine in a definite proportion. These constituents may be atoms.

Answer 2

Answer:

In chemistry, the law of multiple proportions states that if two elements form more than one compound between them, then the ratios of the masses of the second element which combine with a fixed mass of the first element will always be ratios of small whole numbers.

The law of multiple proportion was based on one of the observation of the Dalton's atomic theory. According to law of multiple proportions whenever two elements form more than one compound, the different masses of one element that combine with the same mass of the other element are in the ratio of small whole numbers

Explanation:

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