The volume of a sample of hydrogen gas was decreased from 10.84 L to 4.13 L at constant temperature. If the final pressure exerted by the hydrogen gas sample was 9.67 atm, what pressure did the hydrogen gas exert before its volume was decreased? ​

The volume of a sample of hydrogen gas was decreased from 1084 L to 413 L at constant temperature If the final pressure exerted by the hydrogen gas sample was 9 class=