If potassium chlorate is \( 80 \% \) pure then \( 48 \mathrm{~g} \) of oxygen would be produced ...

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If potassium chlorate is \( 80 \% \) pure then \( 48 \mathrm{~g} \) of oxygen would be produced from:
a. \( 153.12 \mathrm{~g} \) of \( \mathrm{KClO}_{3} \)
b. \( 120 \mathrm{~g} \) of \( \mathrm{KClO}_{3} \)
c. \( 20 \mathrm{g} \) of \( \mathrm{KClO}_{3} \)
d. \( 90 \mathrm{~g} \) of \( \mathrm{KClO}_{3} \)
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