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Percent Composition of Water in Hydrates Lab

Last updated over 3 years ago

13 questions

10

Question 1

1.

Take a picture of the crystals before heating.

10

Question 2

2.

Take a picture of the crystals after heating.

10

2

2

6

6

6

6

6

6

6

6

Question 3

3.

Take a picture of the crystals after heating with a squirt of water.

Question 4

4.

Record mass of hydrate with units.

Question 5

5.

Record mass of anhydrous salt by weighing the salt.

Question 6

6.

Calculate water lost #4-#5

Question 7

7.

Calculate Actual % yield = #6/#4 * 100.

Question 8

8.

Calculate Molar mass of CuSO4.5H2O.

Question 9

9.

Calculate theoretical yield of %H2O in CuSO4.5H2O

Question 10

10.

Calculate theoretical yield of %Cu in CuSO4.5H2O.

Question 11

11.

Calculate theoretical yield of %S in CuSO4.5H2O

Question 12

12.

Calculate theoretical yield of %O in CuSO4.5H2O

Question 13

13.

Calculate theoretical yield of %H in CuSO4.5H2O