Question

Calculate the pressure of the dry gas collected over water at 10 degree celcius and 750mmHg. Given that the vapour pressure of water at 10 degree celcius is 20mmHg

Answer 1

Ptotal = p(drygas) + pH2O
750 = pdrygas + 20
Solve for p dry gas.

Answer 2

730

Answer 3

Explain more better i dont understand