Question

In: Chemistry

state the laws of definite proportions and multiple proportions. illustrate each with an example.

state the laws of definite proportions and multiple proportions. illustrate each with an example.

Solutions

Expert Solution

Law of definite proportion: It is also known as Proust's law

It says that the proportion of elements in a given chemical compound will be constant irrespective of source of chemical compound or method of synthesis

For example: CaCO3

Calcium carbonate will always contain the elements in the ration as

Ca : C : O = 1:1:3

2) Law of Multiple proportion:

In case of combination of two elements to give more than one kind of compound [for example H can combine with O to form either H2O or H2O2] then the proportion of the masses of the an element [Here O] which combine with a particular mass of the other element will be in small whole numbers.

Here the ratio of masses of Oxygen in both the compounds will be:

1:2


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