Experimental data. Your data are shown in lines 1-5 that you measured in the lab. Fill in the table where there are gray boxes for your calculations. You are working to determine the percent water in Unknown C.                                                                                         Trial 1                          Trial 2     1. Mass of fired crucible and lid (g) 24.98 g 25.12 g 2. Mass of fired crucible, lid, and hydrated salt (g) 28.89 g 27.67 g 3. Mass of crucible, lid, and anhydrous salt (g)   27.29 g     26.64 g                                                                                           Trial 1    Trial 2 4. Mass of hydrated salt (g)      5. Mass of anhydrous salt (g)     6. Mass of water lost (g)     7. Percent by mass of water in hydrated salt (%)     8. Average percent water in hydrated salt (%)

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section13.7: Colligative Properties Of Solutions
Problem 13.16E: Suppose that you are closing a cabin in the north woods for the winter and you do not want the water...
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Experimental data. Your data are shown in lines 1-5 that you measured in the lab. Fill in the table where there are gray boxes for your calculations. You are working to determine the percent water in Unknown C.

 

 

                                                                                    Trial 1                          Trial 2

 

 

1. Mass of fired crucible and lid (g)

24.98 g

25.12 g

2. Mass of fired crucible, lid, and hydrated salt (g)

28.89 g

27.67 g

3. Mass of crucible, lid, and anhydrous salt (g)

 

27.29 g

 

 

26.64 g

                                                                                          Trial 1    Trial 2

4. Mass of hydrated salt (g)

  

 

5. Mass of anhydrous salt (g)

 

 

6. Mass of water lost (g)

 

 

7. Percent by mass of water in hydrated salt (%)

 

 

8. Average percent water in hydrated salt (%)

 

 

 

 

 

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