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A certain mass of a gas occupies a volum...

A certain mass of a gas occupies a volume of 300 c.c. at `27^(@)C` and 620 mm pressure. The volume of this gas at `47^(@)C` and 640 mm pressure will be `"______________"`.

A

400 c.c.

B

510 c.c.

C

310 c.c

D

350 c.c.

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