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Author Question: Why must a solid drying agent be removed from a solution before the solution is distilled? answer ... (Read 68 times)

dollx

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on: Aug 23, 2018

Why must a solid drying agent be removed from a solution before the solution is distilled?
  answer



Question 2

Which drying agents in Table 4.1 could be used to dry an ether solution of each of the following compounds?
  (a) CH3CH2CH2CH2OH
  (b) CH3CH2CH2CH2Br
  (c) CH3CH2CO2H
  (d) CH3CH2CH2CH2NH2



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peilian

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

The heat required for distillation will cause the hydrated crystals to dehydrate and recontaminate the distilled sample with water.

Answer to Question 2

(a) MgSO4, Na2SO4, CaSO4, K2CO3
(b) any drying agent will be satisfactory
(c) MgSO4, Na2SO4, CaSO4
(d) MgSO4, Na2SO4, K2CO3



dollx

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Reply 2 on: Aug 23, 2018
Gracias!

cpetit11

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

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