Question

State the law of constant Proportion ith the help of an example. ??​

Answer 1

Answer:

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Explanation:

According to the law of constant proportion , a chemical substance always contains the same elements in a fixed proportion by mass, irrespective of its source.

For example: Pure water obtained from any source will always contain two hydrogen atoms and one oxygen atom. Hydrogen and oxygen respectively combine together in the ratio of 1:8 by mass to form water. The ratio by the number of atoms for water will always be H : O = 2 : 1. Thus, 18 g of water contains 2 g of hydrogen and 16 g of oxygen.

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Answer 2

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The law of constant composition says that, in any particular chemical compound, all samples of that compound will be made up of the same elements in the same proportion or ratio.

For example, any water molecule is always made up of two hydrogen atoms and one oxygen atom in a 2:1 ratio.

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