Asked by jessica
200 ml of oxygen is collected over water at 18 degree Celsius and standard pressure, what will the volume of the dry oxygen be at STP?
Answers
Answered by
DrBob222
Look up vapor pressure of H2O at 18 C. Call that vp
Use (P1V1/T1) = (P2V2/T2)
P1 = 760-vp
V1 = 200 mL
T1 = 273 + 18
P2 = 760
V2 = ?
T2 = 273
Substitute and solve for V2.
Use (P1V1/T1) = (P2V2/T2)
P1 = 760-vp
V1 = 200 mL
T1 = 273 + 18
P2 = 760
V2 = ?
T2 = 273
Substitute and solve for V2.