Water – Notes
Composition of Water
The chemical formula of water was established by S. Cannizzarro as H2O.
The process of decomposing water into its constituent elements called electrolysis of water.
Hydrogen and oxygen combine in the ratio of 2:1 by volume to from water.
The gravimetric or mass ratio of hydrogen to oxygen is 1:8 in water.
Water Dissolves Many Substances
Solvent is defined as a liquid which dissolves other substances in itself.
Water allows the dissolution of all substances over a period of time so it is a known as universal solvent.
Substances that dissolve in a solvent are called solutes. For example, salt and sugar.
When a solute gets dissolved in a solvent the product formed is known as solution.