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Question

120g of an ideal gas of molecular weight 40gm mole$$^{-1}$$ are confined to a volume of 20L at 400K. Using R=0.0821Latm$$K^{-1}$$ mole$$^{-1}$$, the pressure of the gas is

A

4.90atm

B

4.92 atm

C

5.02atm

D

4.96 atm

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Solution

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Correct option is D. 4.96 atm

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