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3 cards from this section. Quick, good the night before a test.
What does the Law of Conservation of Mass state?
Think about the matter's integrity during a reaction.
If 10 grams of substance A reacts with 20 grams of substance B, how much is the total mass?
Just add the masses of reactants.
What does the Law of Conservation of Mass state?
Remember what happens during a chemical change.
If you start with 15 grams of reactants, how many grams of products do you have?
Think about what law we discussed.
Calculate the total mass after a reaction if 50 grams of sodium reacts with 200 grams of chlorine gas to form sodium chloride. What will be the mass of sodium chloride formed?
Add the masses of sodium and chlorine before predicting the product.
You perform an experiment where 35 grams of calcium reacts with 25 grams of oxygen. If the mass of the calcium oxide produced is 60 grams, discuss the implications of the Conservation of Mass.
Where does the missing or extra mass fall in?
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