Question

Which statement correctly describes the conservation of matter in a chemical reaction?

A. Atoms of each element are conserved, so the total mass remains unchanged.
B. The number of molecules is conserved, so the total mass does not change.
C. Different numbers of atoms may form during the change, but the total mass is unchanged.
D. Different types of atoms may form during the change, but the total mass remains constant.

Answer 1

@JFraser I think it's C

Answer 2

@ghuczek

Answer 3

You can't gain or lose mass during a chemical reaction. That is because of the Law of Conservation of Mass. Look for a better choice.

Answer 4

Oh so maybe A?

Answer 5

@ghuczek

Answer 6

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