Which of the Following Is True of a Chemical Reaction

question 103

Multiple Choice

Which of the following is true of a chemical reaction?

• A) In a chemical reaction, the number of moles of product always equals the number of moles of reactants.
• B) In a chemical reaction, the mass of the products always equals the mass of the starting materials that have reacted.
• C) Both a and b are true.
• D) Both a and b are false.

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