1. Define the law of conservation of mass
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2. According to the LOCO mass, the mass of reactants and products are._____________________________.
3. A student adds 15 g of baking soda to 10 g of acetic acid in a beaker. A chemical reaction occurs, and a gas is given off. After the reaction, the mass of the products remaining in the beaker is 23 g. Has mass been conserved in this reaction? Explain.__________________________.
________________________________.
2. According to the LOCO mass, the mass of reactants and products are._____________________________.
3. A student adds 15 g of baking soda to 10 g of acetic acid in a beaker. A chemical reaction occurs, and a gas is given off. After the reaction, the mass of the products remaining in the beaker is 23 g. Has mass been conserved in this reaction? Explain.__________________________.
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1.The concept of conservation of mass is that in a chemical reaction, the mass of a substance does not change. For instance, if gas is burned, the carbon atom loses its solid structure, but its mass does not change, as it is still carbon dioxide.
2.According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.
3.This difference in masses must be because one of product carbon dioxide is a gas, which is lost and hence the mass of products is lower than the mass of reactants. Therefore, the mass is conserved in this reaction.
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