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valentina_108 [34]
2 years ago
11

2Al + 6HCl → 2AlCl3 + 3H2

Chemistry
1 answer:
Nadya [2.5K]2 years ago
6 0

Answer: The reaction produces 2.93 g H₂.

M_r:                        133.34  2.016

       2Al + 6HCl → 2AlCl₃ + 3H₂

Moles of AlCl₃ = 129 g AlCl₃ × (1 mol AlCl₃/133.34 g AlCl₃) = 0.9675 mol AlCl₃

Moles of H₂ = 0.9675 mol AlCl₃ × (3 mol H₂/2 mol AlCl₃) = 1.451 mol H₂

Mass of H₂ = 1.451 mol H₂ × (2.016 g H₂/1 mol H₂) = 2.93 g H₂

Explanation:

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Hello there!

In this case, according to the given information it will be firstly necessary to set up the chemical equation taking place:

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