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Unit 15: Chemical Reaction
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How to Write a Balanced Chemical Equation
Unit 15 · Chemical Reaction
How to Write a Balanced Chemical Equation
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8 min
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Question 1 of 14
1
According to the law of conservation of mass, what happens in a chemical reaction?
The products always have more mass
Mass is destroyed when a gas escapes
Mass is neither destroyed nor created
The number of molecules is always equal on both sides