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How Many Grams of KCl(s)are Produced from the Thermal Decomposition

Question 63

Multiple Choice

How many grams of KCl(s) are produced from the thermal decomposition of KClO3(s) which produces 100.0 mL of O2(g) at 25°C and 1.00 atm pressure according to the chemical equation shown below? 2 KClO3(s) → 2 KCl(s) + 3 O2(g) ?


A) 0.203 g
B) 0.305 g
C) 0.334 g
D) 0.608 g

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