I am only confused on part D of this problem. I understand that the 10g of A will dissolve completely and begin to precipitate at approx. 55 degrees celsius, but do not understand how to find the grams precipitated. 1) As you may recall from general chemistry, solubility is temperature dependent. Look at thesolubility-vs.-temperature data below for an organic compound A dissolved in water. (Solubilitycharts report how much of a particular solute dissolves in a fixed amount of solvent. Typical unitsare g/mL, i.e. grams solute per milliliter solvent.)Temperature(°C)0204060Solubility of A in 100ml of water (g)1.53.06.511.08017.0A. (1 point) Plot temperature vs solubility and use the graph to answer the followingquestions.B. (1 point) Suppose 10 g of A and 100 mL of water were mixed and heated to 80 °C. Wouldall A dissolve?C. (1 point) Suppose the above solution is cooled. At approximately what temperature wouldyou expect to see A precipitate?=D. (1 points) Suppose the above solution is cooled to 0 °C. How many grams of A wouldprecipitate from the solution? What is the % recovery of A?% recovery=mass "recovered" material (purified compound)mass of starting mixture (impure compound)-100

Answered: Image /qna-images/answer/cb5b9932-d238-495a-b2e6-9caa00630d84.jpg

(1 points) Suppose the above solution is cooled to 0 °C. How many grams of A would precipitate from the solution? What is the % recovery of A? % recovery=. mass "recovered" material (purified compound) mass of starting mixture (impure compound) 100

(1 points) Suppose the above solution is cooled to 0 °C. How many grams of A would precipitate from the solution? What is the % recovery of A? % recovery=. mass "recovered" material (purified compound) mass of starting mixture (impure compound) 100

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter80: Crystallization: Purification Of Solids

Section: Chapter Questions

Problem 1P

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Question

I am only confused on part D of this problem. I understand that the 10g of A will dissolve completely and begin to precipitate at approx. 55 degrees celsius, but do not understand how to find the grams precipitated.

1) As you may recall from general chemistry, solubility is temperature dependent. Look at the
solubility-vs.-temperature data below for an organic compound A dissolved in water. (Solubility
charts report how much of a particular solute dissolves in a fixed amount of solvent. Typical units
are g/mL, i.e. grams solute per milliliter solvent.)
Temperature
(°C)
0
20
40
60
Solubility of A in 100ml of water (g)
1.5
3.0
6.5
11.0
80
17.0
A. (1 point) Plot temperature vs solubility and use the graph to answer the following
questions.
B. (1 point) Suppose 10 g of A and 100 mL of water were mixed and heated to 80 °C. Would
all A dissolve?
C. (1 point) Suppose the above solution is cooled. At approximately what temperature would
you expect to see A precipitate?
=
D. (1 points) Suppose the above solution is cooled to 0 °C. How many grams of A would
precipitate from the solution? What is the % recovery of A?
% recovery=
mass "recovered" material (purified compound)
mass of starting mixture (impure compound)
-100

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