write the law of constant proportion
Write the law of constant proportion
Answer:
The law of constant proportion, also known as the law of definite proportions, is a fundamental principle in chemistry. This law states that in a chemical substance, the elements are always present in a fixed ratio by mass regardless of the sample’s origin or the method of preparation. In simpler terms, this law asserts that a pure compound always contains the same elements in definite proportions by mass.
For example, water (H2O) always consists of hydrogen and oxygen in a ratio of 2:1. This means that regardless of where the water sample comes from, whether it is from a river, lake, or ocean, the ratio of hydrogen to oxygen by mass will always be 2:1. Similarly, carbon dioxide (CO2) will always have carbon and oxygen in a specific mass ratio.
The law of constant proportion is a critical concept in chemistry as it helps chemists identify and differentiate between different compounds based on their unique elemental composition ratios.