Calculate the number of moles of gas present in the container of volume 10 L at 300 K. If the m...

Calculate the number of moles of gas present in the container of volume 10  L at 300  K. If the manometer containing glycerin shows 5  m difference in level as shown diagram.
(Given : d_glycerin =2.72  g / mL ; d_mercury =13.6  g / mL )
(a) 0.94 mole
(b) 0.49 mole
(c) 0.64 mole
(d) none of these

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