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Solid Potassium Chlorate Can Be Decomposed to Produce Potassium Chloride

Question 20

Multiple Choice

Solid potassium chlorate can be decomposed to produce potassium chloride and oxygen according to the following equation. Solid potassium chlorate can be decomposed to produce potassium chloride and oxygen according to the following equation. How many grams of KClO<sub>3</sub> are needed to produce 752 mL of oxygen at 23°C and 0.995 atm, if the oxygen is collected over water? The vapor pressure of water at this temperature is 21.07 torr. A) 0.0308 g B) 2.43 g C) 2.52 g D) 3.66 g E) 3.77 gHow many grams of KClO3 are needed to produce 752 mL of oxygen at 23°C and 0.995 atm, if the oxygen is collected over water? The vapor pressure of water at this temperature is 21.07 torr.


A) 0.0308 g
B) 2.43 g
C) 2.52 g
D) 3.66 g
E) 3.77 g

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