Answer
475 L
Work Step by Step
Let $P_{1}$ = 760 mmHg = 760 torr, $V_{1}$ = 50L, $P_{2}$ = 80 torr & $V_{2}$ = ?
Using gas Law Equation $P_{1}V_{1}=P_{2}V_{2}$, we have:
760 torr x 50L = 80 torr x $V_{2}$
$V_{2}$ =760 torr / 80 torr x 50L
= 475 L
