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Author Question: Aniline (MW 93) co-distills with water at 98.2. The partial vapor pressure of water at 98.2 is 712 ... (Read 74 times)

savannahhooper

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on: Aug 23, 2018

Aniline (MW 93) co-distills with water at 98.2. The partial vapor pressure of water at 98.2 is
  712 mm Hg. You need to isolate 10 g of aniline. What is the minimum amount of water it will
  take to steam-distill this amount of aniline?



Question 2

At 99.6, water has a vapor pressure of 750 mm Hg and quinoline (immiscible with water) has
  a vapor pressure of 10 mm Hg. What weight of water must be distilled for each gram of quin
  oline in a steam distillation at 760 mm Hg?



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zacnyjessica

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Reply #1 on: Aug 23, 2018
Answer to Question 1

wtwater/10 g = (712 x 18)/(48 x 93) = 28.7 g

Answer to Question 2

wtA = 1.0 x (750/10) x (18/129.17) = 10.4 g


savannahhooper

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Reply 2 on: Aug 23, 2018
Great answer, keep it coming :)

abro1885

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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