For the Reaction H₂(g) + 1/2 O₂(g) → H₂O(g) ΔH°

question 69

Multiple Choice

For the reaction H₂(g) + 1/2 O₂(g) → H₂O(g) ΔH° = -241.8 kJ/mol, what mass of H₂(g) is required to liberate 1.00 × 10³ kJ of heat?

• A) 66.2 g
• B) 4.17 g
• C) 8.34 g
• D) 2.05 g
• E) 16.7 g

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