Potassium Chlorate Decomposes Upon Heating as Follows: 2KClO₃(s) 

question 112

Multiple Choice

Potassium chlorate decomposes upon heating as follows: 2KClO₃(s)  2KCl(s) + 3O₂(g)
A 1) 12-g sample of KClO₃ decomposes, and the oxygen at 23.8°C and 0.925 atm is collected. What volume of oxygen gas will be collected, assuming 100% yield?

• A) 0.92 mL
• B) 0.241 mL
• C) 0.0193 mL
• D) 0.0289 mL
• E) 0.361 mL

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