Question

How many grams of KCl(s) are produced from the thermal decomposition of KClO3(s) which produces 25.0 mL of O2(g) at 25C and 1.00 atm pressure according to the chemical equation shown below?
2 KClO3(s) -> 2 KCl(s) + 3 O2(g)
A) 0.0508 g
B) 0.0762 g
C) 0.0835 g
D) 0.152 g

Answer

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