Correct Answer: Option A

Explanation

Given:

P = 4 atm ,  V = 10 dm\(^3\) ,  n = ?   R = 0.082 (constant)  T = 273 + 273 = 546K

Using the ideal gas law, PV = nRT

                                       n = \(\frac{PV}{RT}\)

                                       n =  \(\frac{{4}\times{10}}{{0.082}\times{546}}\)

                                       n = \(\frac{40}{44.772}\)

                                       n = 0.893 mole

There is an explanation video available below.

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