Dilute the stock solution:Using the solutions in the burets, carefully measure the following quantities of Co(NO3)2 solution and water into 5 large test tubes, to a total of 5.00 mL in each test tube. Yes, the optional video says to make 10.00 mL total, but 5.00 mL is sufficient at this time and generates less waste. Use the buret to measure the cobalt solution and the water.Test tube No.12345mL Co2+ Soln1.002.003.004.005.00mL H2O4.003.002.001.000.00Total mL5.005.005.005.005.00 Mix each test tube thoroughly: hold the top of the tube and mix the bottom well.Transfer a portion of each diluted sample into a clean, dry sample cuvette. fill the concentration table and do calculations please 1. Mass of Co(NO3)2-6H₂O (on bottle)2. Molar mass of Co(NO3)2-6H₂O3. Moles of Co(NO3)2-6H₂OCalculation:4. Volume of solution (from bottle)5. Molarity of Co(NO3)2-6H₂O stock solutionCalculation:6. Dilutions Concentrations and Absorbance data:Tube No.Concentration*12345Unknown# D36Absorbance0.130.270.410.590.720.2687.351g290.93 g/mol0.30027 mol2000ml0.001501*Include units, units should be in M. Scientific notation is optional.Show dilution calculations for #1 -4 (M₁V₁ = M₂V₂) (use the back of your graph if you need to):

Calculation of Molarity of Cu(NO3)2.6H2O :- Molarity is defined as the no of g-moles of solute…

Answered: Dilute the stock solution: Using the…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter3: Chemical Reactions

Section: Chapter Questions

Problem 87QRT: You need 300. mL of 0.500-M K2Cr2O7. Which method is best to prepare this solution? Explain your...

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Dilute the stock solution:

Using the solutions in the burets, carefully measure the following quantities of Co(NO₃)₂solution and water into 5 large test tubes, to a total of 5.00 mL in each test tube. Yes, the optional video says to make 10.00 mL total, but 5.00 mL is sufficient at this time and generates less waste. Use the buret to measure the cobalt solution and the water.

Test tube No.	1	2	3	4	5
mL Co²⁺Soln	1.00	2.00	3.00	4.00	5.00
mL H₂O	4.00	3.00	2.00	1.00	0.00
Total mL	5.00	5.00	5.00	5.00	5.00

Mix each test tube thoroughly: hold the top of the tube and mix the bottom well.
Transfer a portion of each diluted sample into a clean, dry sample cuvette.

fill the concentration table and do calculations please

1. Mass of Co(NO3)2-6H₂O (on bottle)
2. Molar mass of Co(NO3)2-6H₂O
3. Moles of Co(NO3)2-6H₂O
Calculation:
4. Volume of solution (from bottle)
5. Molarity of Co(NO3)2-6H₂O stock solution
Calculation:
6. Dilutions Concentrations and Absorbance data:
Tube No.
Concentration*
1
2
3
4
5
Unknown
# D36
Absorbance
0.13
0.27
0.41
0.59
0.72
0.26
87.351g
290.93 g/mol
0.30027 mol
2000ml
0.001501
*Include units, units should be in M. Scientific notation is optional.
Show dilution calculations for #1 -4 (M₁V₁ = M₂V₂) (use the back of your graph if you need to):

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