The diagram that best demonstrates the law of conservation of mass is diagram C. Details about law of conservation of mass can be found below.
What is law of conservation of mass?
The law of conservation of mass states that the total amount of matter in any isolated system remains constant, and cannot be created or destroyed, although it may change forms.
This means that in a chemical reaction, the amount of reactants must equate the amount of products after the reaction.
According to this question, diagrams involving chemical equations were given. However, the diagram that best demonstrates the law of conservation of mass is diagram C.
Learn more about law of conservation of mass at: https://brainly.com/question/13383562
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