In a chemical reaction, the sum of the masses of the reactants and products remains unchanged. This is called ................ .

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Solution

The law of conservation of mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions.
In other words, the mass of one element at the beginning of the reaction will equal the mass of that element at the end of the reaction.

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Question 44
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(a) In a chemical reaction, the sum of the masses of the reactants and products remains unchanged. This is called ___.

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In a chemical reaction, the sum of the masses of the reactants and products remains unchanged. This is called ................ .

The law of conservation of mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions.In other words, the mass of one element at the beginning of the reaction will equal the mass of that element at the end of the reaction.

The law of conservation of mass dates from Antoine Lavoisier's 1789 discovery that mass is neither created nor destroyed in chemical reactions.
In other words, the mass of one element at the beginning of the reaction will equal the mass of that element at the end of the reaction.