Number of moles of \( \mathrm{KClO}_{3} \) that have to be heated t...

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Number of moles of \( \mathrm{KClO}_{3} \) that have to be heated to produce \( 1.0 \mathrm{~L} \) of \( \mathrm{O}_{2}(\mathrm{~g}) \) at \( \mathrm{STP} \) can be expressed as
(A) 1/3 (1/22.4)
(B) \( 1 / 2(1 / 22.4) \)
(C) \( 2 / 3(1 / 22.4) \)
(D) \( 3 / 2 \) (22.4)
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