When writing a balanced chemical equation, which of the following statements is true?
A.
The sum of atoms of each element on the reactant side must equal the sum on the product side.
B.
The equation should only include the formulas of the pure substances involved in the reaction.
C.
The equation should be written without considering the physical states of the reactants and products.
D.
The coefficients in front of the chemical formulas can be any whole number.
Exam No：AP Chemistry Problem Set 6 Year：2024 Question No：APChemistry2024AP0451
Answer:
A
Knowledge points:
4.1 Introduction for Reactions
Solution:
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