Answer
(e) is the correct answer.
Work Step by Step
$$PV= nRT$$
$T/K = 150 + 273.15 = 423.15 \ K$
$$P = \frac{nRT}{V} = \frac{(10.2 \ moles)(0.0826 \ L \ atm \ K^{-1} \ mol^{-1})(423.15 \ K)}{7.5 \ L} = 47 \ atm$$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.