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Pearson Edexcel GCSE (9-1) Chemistry practice

What mass of oxygen (O₂) is required to completely react with 4.0 g of hydrogen (H₂) to produce water (H₂O)? Given Ar H = 1, Ar O = 16. The balanced equation is 2H₂ + O₂ → 2H₂O.

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What mass of oxygen (O₂) is required to completely react with 4.0 g of hydrogen (H₂) to produce water (H₂O)? Given Ar H = 1, Ar O = 16. The balanced equation is 2H₂ + O₂ → 2H₂O.

  1. A.16 g
  2. B.32 g
  3. C.64 g
  4. D.18 g

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What mass of oxygen (O₂) is required to completely react with 4.0 g of hydrogen (H₂) to produce water (H₂O)? Given Ar H = 1, Ar O = 16. The balanced equation is 2H₂ + O₂ → 2H₂O. | | ExamCompanion