Answer to Question #246342 in General Chemistry for haider

General Chemistry

Question #246342

Calculate the mass of hydrogen formed when 25 grams of aluminum reacts with excess hydrochloric acid.

2Al + 6HCl Al₂Cl₆ + 3H₂

Expert's answer

Mass of hydrogen formed by 25 gm Al = (1/9) × 25 gram = 2.78 gram.

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