Potassium chlorate (kclo3) decomposes to form potassium chloride (kcl) and pure oxygen (o2) gas as shown below.
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what amount of kclo3 is required to supply 28.0 l of oxygen gas at stp? (the molar mass of kclo3 is 122.55 g/mol.)
a. 102 g
b. 102.12 g
c. 306.36 g
d. 306.4 g
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