Biology, 21.01.2021 18:10 maliyahsanmiguel
9. Why is the law of conservation of mass true?
a. All atoms at the start of a chemical reaction are present at the end of the reaction.
b. All the molecules in a substance remain intact during a chemical reaction.
c. The substances at the start of a chemical reaction gather more atoms to make up
for those lost in the reaction.
d. All molecules at the start of a chemical reaction are present at the end of the
reaction
Answers: 2
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9. Why is the law of conservation of mass true?
a. All atoms at the start of a chemical reaction ar...
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