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The Thermal Decomposition of Potassium Chlorate Can Be Used to Produce

Question 170

Multiple Choice

The thermal decomposition of potassium chlorate can be used to produce oxygen in the laboratory. 2KClO3 (s) → 2KCl (s) + 3O2 (g)
What volume (L) of O2 gas at 25°C and 1.00 atm pressure is produced by the decomposition of 7.5 g of KClO3 (s) ?


A) 4.5
B) 7.5
C) 2.0
D) 3.7
E) 11

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