Balance the following reaction. A coefficient of "1" is understood. Choose option "blank" for the correct answer if the coefficient is "1."Al + ZnCl2 → Zn + AlCl3
Question
Balance the following reaction. A coefficient of "1" is understood. Choose option "blank" for the correct answer if the coefficient is "1."Al + ZnCl2 → Zn + AlCl3
Solution
To balance the given reaction, Al + ZnCl2 → Zn + AlCl3, we need to ensure that the number of atoms of each element is the same on both sides of the equation.
Let's start by balancing the aluminum (Al) atoms. There is one Al atom on the left side and one Al atom on the right side, so the Al atoms are already balanced.
Next, let's balance the chlorine (Cl) atoms. There are two Cl atoms in ZnCl2 on the left side, but there are three Cl atoms in AlCl3 on the right side. To balance the Cl atoms, we need to multiply ZnCl2 by 3 and AlCl3 by 2.
The balanced equation is: 2Al + 3ZnCl2 → 3Zn + 2AlCl3.
Therefore, the coefficient for the balanced equation is not 1.
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