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RSB [31]
3 years ago
12

Hydrogen can be produced according to the following word equation

Chemistry
1 answer:
STALIN [3.7K]3 years ago
3 0

Answer:

Zn + 2HCl → ZnCl₂ + H₂

Explanation:

First we <u>write the equation using the molecular formulas instead of words</u>:

  • Zn + HCl → ZnCl₂ + H₂

We know zinc chloride is ZnCl₂ as the problem tells us the oxidation state of zinc in the products is +2, and chloride means Cl⁻¹.

Now we proceed to <u>balance the reaction</u>:

There are<em> 2 Cl atoms and 2 H atoms on the right side</em>, so we <u>add a coefficient of 2 to HCl on the left side</u>:

  • Zn + 2HCl → ZnCl₂ + H₂
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