What does the total mass before a chemical reaction equal?

1 Answer
anor277
Apr 29, 2017

"The total mass before a chemical reaction............"

Explanation:

"The total mass before a chemical reaction............"

"is EQUAL to the total mass after a chemical reaction."

Mass is conserved in EVERY chemical reaction. This is why educators place such emphasis on "stoichiometry", which requires that mass and atoms and molecules are balanced.

See here and here and links.

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