Question

Balance this chemical equation:Al(OH)3 + HNO3 - Al(NO3)3 + H2O​

Answer 1

Answer:

3 HNO3 (aq) + Al(OH)3 (s) → Al(NO3)3 (aq) + 3 H2O (l)

Answer 2

The balanced chemical equation for the reaction is:

2 Al(OH)3 + 3 HNO3 → 2 Al(NO3)3 + 6 H2O

Explanation:

The equation is balanced by making sure that the number of atoms of each element is the same on both the reactant and product sides of the equation.

On the reactant side, we have:

• 2 Al atoms
• 6 H atoms
• 9 O atoms
• 3 N atoms

On the product side, we have:

• 2 Al atoms
• 6 H atoms
• 9 O atoms
• 3 N atoms

To balance the equation, we need to adjust the coefficients of the reactants and products so that the number of atoms of each element is the same on both sides.

We start by balancing the elements that appear only once on each side of the equation.

In this case, that's the Al and N atoms.

We can balance them by putting a coefficient of 2 in front of Al(NO3)3 and a coefficient of 3 in front of HNO3:

2 Al(OH)3 + 3 HNO3 → 2 Al(NO3)3 + ...

Now we have:

• 4 Al atoms
• 9 O atoms
• 6 N atoms

On the product side, we still have:

• 2 Al atoms
• 9 O atoms
• 6 N atoms

We can balance the H and O atoms by putting a coefficient of 6 in front of H2O:

2 Al(OH)3 + 3 HNO3 → 2 Al(NO3)3 + 6 H2O

Now we have:

• 4 Al atoms
• 18 H atoms
• 18 O atoms
• 6 N atoms

On the product side, we also have:

• 4 Al atoms
• 18 H atoms
• 18 O atoms
• 6 N atoms

So the equation is balanced.

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