4.88 g of ${KClO}_{3}$ when heated, produces 1.92 g of $O_{2}$ and 2.96 g of KCl. Which of the following statements is true regarding the experiment?

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The result illustrates the law of conservation of mass

The result illustrates the law of multiple proportion

The result illustrates the law of constant proportion

Gaylussac's law of combining volumes

answer is A.

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Detailed Solution

$\underset{4.88 g}{2 {KClO}_{3}} ⟶ \underset{4.88 g}{\underset{⏟}{\underset{2.96 g}{2 KCl} + \underset{1.92 g}{3 O_{2}}}}$

Since, mass of the products (2.96 g +1.92 g ) is equal to the mass of the reactant (4.88 g). This illustrates the law of conservation of mass.

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