In the reaction 2H₂ + O₂ → 2H₂O, a mixture of 4 g of H₂ and 32 g of O₂ is ignited. The reactant present in excess is

A. Hydrogen

B. Oxygen

C. Water

D. Both react completely

✓

📝 Explanation

4 g H₂ = 2 mol and 32 g O₂ = 1 mol. The ratio is exactly 2:1, so both reactants are completely consumed.

📖 Additional Information

Hydrogen
Oxygen
Water
Both react completely

4 g H₂ = 2 mol and 32 g O₂ = 1 mol. The ratio is exactly 2:1, so both reactants are completely consumed.

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