law of constant proportion

ریشه

The term 'constant' comes from the Latin word 'constans', meaning 'standing firm'. The law of constant proportion was first formulated by the French chemist Joseph Proust in the late 18th century.

مثال

• According to the law of constant proportion, water always consists of hydrogen and oxygen in a 2:1 ratio by mass.
• The law of constant proportion is a fundamental principle in chemistry.
• Understanding the law of constant proportion is essential for analyzing chemical compounds.