Answer:
811.89 torr
Step-by-step explanation:
According to Boyle's Law ,
At a constant temperature , Product of Pressure and volume of the gas remains constant for a fixed Amount of gas.
Thus,

=


Here,
= 751 torr
= 10.0L
= 9.25 L
Thus,
751×10 = 9.25×

= 811.89 torr.