Question

Which law does the equation below represent?

Mass reactants = Mass Products

1. Law of inertia
2. Law of definite proportions
3. Law of gravitation
4. Second law of motion
5. Law of conservation of mass

Answer 1

5. Law is conservation of mass.
It can’t be #2 bc definite proportions means the same amount of each substance in a mixture both before and after some type of change, but the example only speaks of mass, not measurements of substances