The composition of ethyl alcohol is 52% of carbon, 35% of oxygen, and 13% of hydrogen by weight. Which of the following is true with respect to law of definite proportions?

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The percentage of hydrogen and oxygen is decreased on dilution.

The percentage of hydrogen and oxygen is increased on dilution.

The percentage by weight remains the same.

The percentage of oxygen is decreased on dilution.

answer is D.

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Detailed Solution

According to the law of constant proportions, irrespective of the total amount of ethyl alcohol present, its combination consists of 52% of carbon, 35% of oxygen, and 13% of hydrogen by weight. The law of constant proportions states that chemical compounds are made up of elements that are present in a fixed ratio by mass.

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