CBSE Class 12-science Answered
a solution has 1:4 mole ratio of pentanne to hexane. the vapour pressure of the pure hydrocarbons at 20degree celcious are 440mm of hg for pentane and 120mm of hg for hexane . the mole fraction of pentanne in the vapour phase would be?
Asked by doctor srishty | 30 Jan, 2011, 09:45: PM
Expert Answer
Number of moles of pentane = 1
Number of moles of hexane = 4
x pentane = 1/5
x hexane = 4/5
p total = 440 + (120 - 440) * (4/5)
= 184 mm Hg
p pentane = 1/5 * 440 = 88 mm Hg
p hexane = 4/5 * 120 = 96 mm Hg
y pentane = 88 / 184 =0.48 mm Hg
y hexane = 96 / 184 = 0.52 mm Hg
Answered by | 22 Feb, 2011, 03:21: PM
Concept Videos
CBSE 12-science - Chemistry
Asked by rashmij34 | 27 Feb, 2024, 04:42: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by sagarmishra | 27 Feb, 2024, 04:01: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by kalandi.charan.407 | 08 Feb, 2024, 01:42: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by premkhare2006 | 24 Jan, 2024, 09:50: AM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by saritanohar22 | 13 Jan, 2024, 01:25: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by kaushikmisty07 | 31 Dec, 2023, 11:42: AM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by kamlesh.kumar.malee | 20 Dec, 2023, 06:59: AM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by varinder2149 | 10 Dec, 2023, 08:21: PM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by shamiyaali732 | 26 Sep, 2023, 02:00: AM
ANSWERED BY EXPERT
CBSE 12-science - Chemistry
Asked by elabarman58 | 23 Jan, 2023, 09:39: AM
ANSWERED BY EXPERT