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Which Metal Will Produce the Most Hydrogen Per Gram of Metal

Question 54

Multiple Choice

Which metal will produce the most hydrogen per gram of metal?

A) 2 Li + 2 HCl → 2 LiCl + H₂
B) Sn + 4 HCl → SnCl₄ + 2 H₂
C) 2 Fe + 6 HCl →2 FeCl₃ + 3 H₂
D) Mg + 2 HCl → MgCl₂ + H₂
E) 2 Cr + 6 HCl → 2 CrCl₃ + 3H₂

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