Question

determine the number of oxygen in 3ai(oh)3.

Explanation:

Step1: Analyze the formula

In the formula \( \text{Al(OH)}_3 \), there are \( 3 \) oxygen atoms in one \( \text{Al(OH)}_3 \) unit.

Step2: Consider the coefficient

The coefficient \( 3 \) in front of \( \text{Al(OH)}_3 \) means there are \( 3 \) \( \text{Al(OH)}_3 \) units.

Step3: Calculate the total number of oxygen atoms

Multiply the number of oxygen atoms per unit (\( 3 \)) by the number of units (\( 3 \)): \( 3\times3 = 9 \).

Answer:

\( 9 \)