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# Law of Definite Proportions

## Compounds contain the same elements in the same proportion by mass.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
• Real World Application

## Chocolate Cake and the Law of Definite Proportions

by Stefano Scotti //basic
Demonstration of the Law of Definite Proportions using a chocolate cake recipe as an example.
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• Study Guide

## Law of Definite Proportions

by Charles Yu //basic
A guide to the law of definite proportions.
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• Flashcards

## Law of Definite Proportions

by Tiffany Kwok //basic