Potassium chlorate (used in fireworks, flares, and safety matches) forms oxygen and potassium chloride when heated. KClO3(s) → KCl(s) + O2(g) [unbalanced]
What mass of oxygen gas is formed if 26.4 g of potassium chlorate decomposes completely?
A) 223 g
B) 99.1 g
C) 10.3 g
D) 6.86 g
E) 4.60 g
Correct Answer:
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