Under what circumstances is mass conserved?
A) Mass is conserved only in the laboratory.
B) Mass is conserved only theoretically.
C) Mass is conserved everywhere except the human body.
D) Mass is conserved in nature but not in the laboratory.
E) Mass is conserved during all chemical reactions.

Question

Quizplus · Accepted Answer

Mass conservation is a fundamental principle in chemistry stating that mass is neither created nor destroyed in a chemical reaction. This means that the total mass of the reactants equals the total mass of the products in any chemical reaction, regardless of the setting (laboratory, nature, etc.).

Under What Circumstances Is Mass Conserved