Chemical reactions can be identified when there is a change in color, energy is produced, change in odor, or if new substance forms.
Answer:
No change...
Explanation:
The law of conservation of mass states that matter cannot be created or destroyed in a chemical reaction. For example, when wood burns, the mass of the soot, ashes, and gases equals the original mass of the charcoal and the oxygen when it first reacted. So the mass of the product equals the mass of the reactant.
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Answer:
2.11 * 10^3 molecules of phosphoric acid
Explanation: