3.1.2 Law of Constant Proportions

Discover how elements combine in fixed ratios to form compounds

⚖️ Proust's Law
"In a chemical substance the elements are always present in definite proportions by mass"
Law of Constant Proportions
Elements combine in fixed mass ratios
Mass Ratio

Postulate

Description

Explore the Concepts
Complete Lesson Progress
Step 1 of 6
📊 Mass Proportions Analysis
Element 1
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Element 2
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Compound
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Mass Ratio
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Dalton's Atomic Theory Postulates