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What explanation accounts for the observation that the mass of the reactant and the mass of the products in the reaction #2 (closed system) were equal?

If they were not equal why this happened ? Please explain

PLS help it is due in 20 minutes

User Pavel Kaljunen
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1 Answer

23 votes
23 votes
The conservation of mass. The amount of atoms it starts with and ends with has to be equal. Since atoms cannot be created or destroyed
User Maupertius
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