Question

A 250ml flask of hydrogen gas is collected at 763mm and 35degressC by displacement of water from the flask. The vapor pressure of water at 35degreesC is 42.2mmHg. How many moles of hydrogen gas are in the flask?

Answer 1

we use a chart, but idk if I use this chart for this problem or jsut use PV = nRT

Answer 2

@jdoe0001 @Nnesha @pooja195 @bibby @sleepyjess @bohotness @Godlovesme

Answer 3

idk anything sorry lol ;(

Answer 4

what do you think is th answer

Answer 5

its ok @Godlovesme

Answer 6

tbh i dont know @bohotness

Answer 7

moles of hydrogen ?

Answer 8

HERE AND RIGHT

Answer 9

763mm? or 763mmHg?

Answer 10

it says 763mm @Somy

Answer 11

https://answers.yahoo.com/question/index?qid=20100408170243AA1pOGy

Answer 12

mm doesnt make sense so i searched in google and found this