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An oxygen cylinder of volume \(30\) litre has \(18.20\) moles of oxygen. After some oxygen is withdrawn from the cylinde…

Q1

An oxygen cylinder of volume \(30\) litre has \(18.20\) moles of oxygen. After some oxygen is withdrawn from the cylinder, its gauge pressure drops to \(11\) atmospheric pressure at temperature \(27^\circ \mathrm{C}\). The mass of the oxygen withdrawn from the cylinder is nearly equal to:
[Given, \(\mathrm{R}=\frac{100}{12}\mathrm{J}{\mathrm{mol}}^{-1}{\mathrm{K}}^{-1}\), and molecular mass of \({\mathrm{O}}_{2}=32\), 1 atm pressure \(=1.01\times {10}^{5}\mathrm{N}/\mathrm{m}\)]

[NEET 2025]

a

\(0.116\mathrm{kg}\)

b

\(0.156\mathrm{kg}\)

c

\(0.125\mathrm{kg}\)

d

\(0.144\mathrm{kg}\)

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