How Many Liters of O₂ Gas at 25°C and 1

question 70

Multiple Choice

How many liters of O₂ gas at 25°C and 1.00 atm pressure are needed to react with 30.12 grams of potassium hydride according to the chemical equation shown below? 2 KH(s) + O₂(g) → H₂O(l) + K₂O(s)

• A) 4.59 L
• B) 9.19 L
• C) 18.4 L
• D) 36.8 L

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