The total mass of reactants and products in a reaction will always be the same. This law is known as:

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Solution

This law is known as the law of conservation of mass. It states that in a closed system, the mass of the system cannot change over time i.e, the mass of the reactants must equal the mass of the products.

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Similar questions

Which of the following statements is correct about the reaction given below ?

$4 F e (s) + 30_{2} (g) \to 2 F e_{2} 0_{3} (g)$

(a) Total mass of iron and oxygen in reactants = total mass of iron and oxygen in product therefore it follows law of conservation of mass

(b) Total mass of reactants = total mass of product, therefore, law of multiple proportions is followed

(d) Amount of $F e_{2} O_{3}$ produced will decrease if the amount of any one of the reactants (iron or oxygen) is taken in excess

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