In a chemical reaction, 23.2 g of mercury oxide is broken down to yield 20 g of mercury and 3.2 g of oxygen gas. This is an example of:
A) The Law of Conservation of Mass.
B) The Law of Multiple Proportion.
C) The Law of Conservation of Energy.
D) Dalton's Atomic Theory.
E) The Law of Constant Composition.
Correct Answer:
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