Two moles of a real gas confined in a 5 L flask exerts a pressure 9.1 atm at a temperature of `27^(@)C`. Calculate the value of 'a' given the value of b is `"0.052 L mol"^(-1)`.

Explanation

To find the value of 'a' using the Van der Waals equation, we can follow these steps:

### Step 1: Write down the Van der Waals equation.
The Van der Waals equation for real gases is given by:
\[ \left(P + \frac{a n^2}{V^2}\right)(V - nb) = nRT \]
where:
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