Q.

4.88 g of KClO3 when heated, produces 1.92 g of O2 and 2.96 g of KCl. Which of the following statements is true regarding the experiment?

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a

The result illustrates the law of conservation of mass

b

The result illustrates the law of multiple proportion

c

The result illustrates the law of constant proportion

d

None of the above

answer is A.

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Detailed Solution

2KClO3⟶2KCl+3O2  4.88 g       2.96g   1.92 gSince, mass of the products (2.96+1.92) is equal to the mass of the reactant, this illustrates the law of conservation of mass.
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