Calculate the number of moles in 162 g of Al,

Explanation

To calculate the number of moles in 162 g of aluminum (Al), follow these steps:

### Step 1: Understand the formula for calculating moles
The formula to calculate the number of moles (n) is:
\[ n = \frac{\text{mass of substance (g)}}{\text{molar mass (g/mol)}} \]

### Step 2: Identify the mass of aluminum
From the question, we know the mass of aluminum is:
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