What would the partial pressure of hydrogen in the gas collection tube be if the water in the tube was 25.0 mm above the water level in the beaker, the room pressure was 655 mm Hg, and the temperature of the room was 22 degrees C?

3 answers

I don't know from your description what the set up is.
630 mm Hg
I just had this same question in my class. The answer is 633 mm Hg.

NOT 630 mm Hg.