Barrons SAT Subject Test Chemistry, 13th Edition

69. In the decomposition reaction of potassium chlorate, if 96.0 grams of oxygen
    are produced, the mass of potassium chloride produced would be
    (A) 149.2 grams
    (B) 74.2 grams
    (C) 37.1 grams
    (D) 96.0 grams
    (E) unable to be determined

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