The volume of a gas at 20^(@)C is 100 cm...

The volume of a gas at `20^(@)C` is 100 cm 3 at normal pressure. If it is heated to `100^(@)C` , its volume becomes 125 cm 3 at the same pressure, then volume coefficient of the gas at normal pressure is

`0.0033//^@C`

`0.0025//^@C`

`0.0030//^@C`

`0.0021//^@C`

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