Question

n chemical reactions, what does the principle of conservation of mass mean?

The total mass of the reactants is less than the total mass of the products.

Matter is not changed.

Matter is not created or destroyed.

The total mass of the reactants is greater than the total mass of the products.
GPT-4o mini
The principle of conservation of mass means that **matter is not created or destroyed** during a chemical reaction. This means that the total mass of the reactants before the reaction, must equal the total mass of the products after the reaction. In other words, the mass remains constant throughout the process.

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