2.0 moles of an ideal gas expands isothermally at $$27^\circ\text{C}$$ and reversibly between pressures of 1 bar and 10 bar. The heaviest mass that can be lifted through a height of 10 m by the work of this expansion is

A

50.8 kg

B

50.8 g

C

117.1 kg

D

117.1 g