A $25\mathrm{.}3g$ sample of $Ca{C}_2($s$)$ reacts with excess water at a constant temperature of $34\mathrm{.}9C.$ The gas that is produced is stored in a $2\mathrm{.}976L$ container. After the reaction is complete, the partial pressure of acetylene gas in this container is $\_\_\_\_\_$ atm.

Write your answer as $1\mathrm{.}23L.$