Answer
0.9408 atm
Work Step by Step
Here are the steps to solving.
p(gas) = p(atm) - p(h)
p(atm) = 738.5 torr ; p(h) = (2.35 cmHg) x (10 torr / 1 cmHg) = 23.5 torr
p(gas) = p(atm) - p(h) = 738.5 torr - 23.5 torr = 715 torr
Convert to atm:
(715 torr) x (1 atm / 760 torr) = 0.9408 atm