List what information the equation of a chemical reaction carries.

• what substances enter into a chemical reaction and what substances are formed as a result of it;
• the number of molecules (formula units) of reagents and the number of molecules (formula units) of the reaction products;
• the amount of substance of reagents and reaction products corresponding to the coefficients in front of their formulas in the equation and, therefore, the quantitative relations between the participants in the chemical reaction;
• type of chemical reaction.

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