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4 cards from this section. Quick, good the night before a test.
What does the Law of Conservation of Mass state?
Think about what happens during a chemical reaction.
Give an example of reactants and products.
Consider a basic chemical reaction.
What does the Law of Conservation of Mass explain?
Consider what the law says about mass in reactions.
True or False: The total mass of products in a reaction can be different from the total mass of reactants.
Remember what the law is about.
Calculate the mass of products when 3g of carbon reacts with 8g of oxygen. What would be the total mass of the carbon dioxide produced?
Remember to add the masses of the reactants.
A sample of 20g of sodium hydroxide decomposes to give 15g of sodium chloride and some hydrogen gas. What is the mass of hydrogen formed?
Use the conservation principle to determine the missing mass.
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