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A sample of gas at 1.2 atm and 27^(@) C ...

A sample of gas at 1.2 atm and `27^(@)` C is heated at constant pressure to `57^(@)C` . Its final volume is found to be 4.75 litres . What was its original volume ?

A

4.32 litres

B

5.02 litres

C

4.22 litres

D

None of these

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