The van der Waals constant 'b' for oxygen is 0.0318 L `mol^(-1)`. Calculate the diameter of the oxygen molecule.

Explanation

To calculate the diameter of the oxygen molecule using the van der Waals constant 'b', we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the van der Waals constant 'b':**
The van der Waals constant 'b' represents the volume occupied by one mole of gas molecules. It is related to the effective volume of the gas molecules themselves.

2. **Using the formula for 'b':**
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