Which of These Statements Best Explains the Law of Constant

question 49

Multiple Choice

Which of these statements best explains the law of constant composition?

• A) All atoms of a given element have the same weight.
• B) Atoms of different elements combine in fixed whole number ratios.
• C) The weight of an object is neither created nor destroyed in a chemical reaction.
• D) All samples of a given compound have the same proportion of constituent elements.
• E) The sum of the masses of the reactants equals the sum of the masses of the products in a normal chemical reaction.

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