Multiple Choice
Small amounts of oxygen gas can be produced for laboratory use by heating potassium chlorate, which causes it to decompose by the following reaction: ___KClO3(s) → ____KCl(s) + ___O2(g) (unbalanced) Balance the equation, and determine the mass of oxygen that should be formed if 10.0 g of potassium chlorate decomposes.
A) 7.83 g
B) 115 g
C) 3.92 g
D) 38.3 g
E) 57.4 g
Correct Answer:

Verified
Correct Answer:
Verified
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