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  • A flask contains of oxygen at <img alt="27^{\

A 10.0 \mathrm{~L} flask contains 64 \mathrm{~g} of oxygen at 27^{\circ} \mathrm{C}. (Assume \mathrm{O}_{2} gas is behaving ideally). The pressure inside the flask in bar is
(Given \mathrm{R}=0.0831 \mathrm{~L}\: {\text {bar }} \mathrm{K}^{-1} \mathrm{~mol}^{-1} )
 

Option: 1

498.6


Option: 2

49.8


Option: 3

4.9


Option: 4

2.5


Answers (1)

best_answer

From ideal gas equation, we have

\mathrm{P V=n R T} \\

\mathrm{\Rightarrow P(10)=\left(\frac{64}{32}\right)(0.0831)(300)} \\

\mathrm{\Rightarrow P=4.986 \text { bar. }}

Hence correct option is 3.

Posted by

manish painkra

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