Coefficients Are Important Components of Chemical Equations

question 50

Multiple Choice

Coefficients are important components of chemical equations.What is the significance of coefficients in a chemical equation? I.Coefficients indicate the ratio of masses of molecules.
II) Coefficients indicate the ratio of numbers of atoms and molecules.
III) Coefficients indicate the ratio of numbers of moles of molecules and atoms.

• A) I only
• B) II only
• C) III only
• D) I and II
• E) II and III

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