A mixture of dihydrogen and dioxygen at one bar pressure contains 20% by weight of dihydrogen . What would be the partial pressure of dihydrogen in bar ?

A mixture of dihydrogen and dioxygen at one bar pressure contains 20%

1.	A mixture of dihydrogen and dioxygen at one bar pressure contains 20% by weight of dihydrogen . What would be the partial pressure of dihydrogen in bar ?
Answer» <html><body><p></p><a href="https://interviewquestions.tuteehub.com/tag/solution-25781" style="font-weight:bold;" target="_blank" title="Click to know more about SOLUTION">SOLUTION</a> :Suppose the total <a href="https://interviewquestions.tuteehub.com/tag/mass-1088425" style="font-weight:bold;" target="_blank" title="Click to know more about MASS">MASS</a> of the <a href="https://interviewquestions.tuteehub.com/tag/mixture-1098735" style="font-weight:bold;" target="_blank" title="Click to know more about MIXTURE">MIXTURE</a> is 100 g. <br/> `:. " Mass of " H_2 = 20 g, " Mass of " O_2` <br/> `= 100 - 20 = 80 g` <br/> <a href="https://interviewquestions.tuteehub.com/tag/number-582134" style="font-weight:bold;" target="_blank" title="Click to know more about NUMBER">NUMBER</a> of moles of `H_2 = 20/2 = 10` <br/>Number of moles of `O_2 =80/32 =2.5` <br/> Total number of moles in the mixture = `10 + 2.5 = 12.5` <br/> `:. " Partial pressure of " H_2 = ("Moles of " H_2)/(" Total no. of moles")<a href="https://interviewquestions.tuteehub.com/tag/xx-747671" style="font-weight:bold;" target="_blank" title="Click to know more about XX">XX</a> " Total pressure "`. <br/> `=10/(12.5)= 0.8` bar</body></html>