pressure of the gas sample in the tube

In a manometer the mercury level at the open end of the tube is 215 mm higher than at the closed end of the tube. If the atmospheric pressure is 1 atm, what is the pressure of the gas sample in units of torr?
A)1.28 torr
B)545 torr
C)975 torr
D)215 torr

Solution Summary

The solution calculates the pressure of the gas sample in the manometer.