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

question 18

Multiple Choice

How many grams of KCl(s) are produced from the thermal decomposition of KClO₃(s) which produces 50.0 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)102 g
• B)0)152 g
• C)0)167 g
• D)0)304 g

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