3
QuizMultiple Choice

Balancing Chemical Equations

Question 3 • GCSS_Physical Science_IC

Which best describes the law of conservation of mass?

Answer
A
The coefficients in front of the chemicals in the reactants should be based on the physical state of the products.
B
Products in the form of gases are not considered a part of the total mass change from reactants to products.
C
When reactants contain both a solid and a liquid, the solid counts toward the overall mass and the liquid does not.
D
The mass of the reactants and products is equal and is not dependent on the physical state of the substances.
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