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Chemistry, 20.09.2019 18:00 ayoismeisalex

Which statement is a correct expression of the law of conservation of mass?
a. the total mass is unpredictable in a chemical reaction.
b. the total mass remains the same during a chemical reaction.
c. the total mass decreases during a chemical reaction.
d. the total mass increases in a chemical reaction.

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Which statement is a correct expression of the law of conservation of mass?
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