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Thermal Decomposition of KClO3(s)yields KCl(s)and O2(g)

Question 99

Multiple Choice

Thermal decomposition of KClO3(s) yields KCl(s) and O2(g) . When 4.289 grams of KClO3 undergo this reaction, how many grams of oxygen gas are produced? Hint: Write and balance the equation first, then do the stoichiometric calculations.


A) 1.120 grams
B) 0.5601 grams
C) 2.240 grams
D) 1.680 grams
E) 4.288 grams

Correct Answer:

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