Write a balanced equation for the formation of boehmite (ALO2H) from aluminium ions and hydroxide ions.
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To write a balanced equation for the formation of boehmite (ALO2H) from aluminum ions (Al3+) and hydroxide ions (OH-), we need to ensure that the number of atoms of each element is equal on both sides of the equation. Here's how you can do it:
Step 1: Write the chemical formulas for the reactants:
Aluminum ions: Al3+
Hydroxide ions: OH-
Step 2: Write the chemical formula for boehmite:
Boehmite: ALO2H
Step 3: Determine the number of each ion required to balance the equation:
Al3+ + 3OH- -> ALO2H
In the equation above, since the charge on the aluminum ion is 3+, we need three hydroxide ions (OH-) to balance the charge. The result is the formation of boehmite (ALO2H).
Step 4: Balance the equation by ensuring an equal number of atoms of each element on both sides:
Al3+ + 3OH- -> ALO2H
Now the equation is balanced, with one aluminum ion (Al3+), three hydroxide ions (OH-), and one boehmite molecule (ALO2H) on both sides.