[" A quantity of hydrogen gas occupies a volume of "30.0mL" at a certain temperature and pressure.What "],[" volume would half this mass of hydrogen occupy at triple the absolute temperature if the pressure "],[" were one-ninth that of the original gas? "],[[" (A) "270mL," (B) "90mL," () "405mL," (D) "135mL],[" A motel exbrated efcompses to crording to following reaction."]]