Hydrogen gas was collected over water in a eudiometer at 26 degrees celcius when the atmospheric pressure was 756 mm Hg. What was the pressure of the H2 gas?

Question

Hydrogen gas was collected over water in a eudiometer at 26 degrees celcius when the atmospheric pressure was 756 mm Hg.  What was the pressure of the H2 gas?

sayles · Accepted Answer

the correct "hpelling" headass boi

DrBob222 · Answer

Note the correct Hpelling of celsius. Ptotal = pH2O + pH2 Ptotal = 756 mm Hg. pH2O = vapor pressure of H2O at 26 C. Look up the vapor pressure of H2O at that T, then substitute and solve for pH2.

Heather · Answer

thank you so much for your help!