Part A. Preparation of Saturated Solutions of Cadmium Oxalate 1. You need to prepare three saturated solutions of CdC,o. Clearly label three small beakers 1, 2, and 3. 2. Clean and properly rinse your buret (Laboratory Methods B2). Obtain 50 mL of 0.100 M cadmium nitrate, Cd(NO,),, from the reagent shelf. Rinse your buret with a very small por- tion of this solution, then fill the buret with the Cd(NO,),. 3. To Beaker 1 add 200 mL of distilled water and 25.00 mL of Cd(NO,),solution. 4. To Beakers 2 and 3 add 10.00 mL portions of Cd(NO,), solution from the buret.

Question

How many total mL of 0.100 M Cd(NO3)2 will you need to take from the reagent shelf in order to prepare the solutions in Beakers 1 plus 2 plus 3? Justify your answer by showing how you will use this total volume of solution.

 

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Part A. Preparation of Saturated Solutions of Cadmium
Oxalate
1. You need to prepare three saturated solutions of CdC,o. Clearly label three small beakers 1,
2, and 3.
2. Clean and properly rinse your buret (Laboratory Methods B2). Obtain 50 mL of 0.100 M
cadmium nitrate, Cd(NO,),, from the reagent shelf. Rinse your buret with a very small por-
tion of this solution, then fill the buret with the Cd(NO,),.
3. To Beaker 1 add 200 mL of distilled water and 25.00 mL of Cd(NO,),solution.
4. To Beakers 2 and 3 add 10.00 mL portions of Cd(NO,), solution from the buret.
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Transcribed Image Text

Part A. Preparation of Saturated Solutions of Cadmium Oxalate 1. You need to prepare three saturated solutions of CdC,o. Clearly label three small beakers 1, 2, and 3. 2. Clean and properly rinse your buret (Laboratory Methods B2). Obtain 50 mL of 0.100 M cadmium nitrate, Cd(NO,),, from the reagent shelf. Rinse your buret with a very small por- tion of this solution, then fill the buret with the Cd(NO,),. 3. To Beaker 1 add 200 mL of distilled water and 25.00 mL of Cd(NO,),solution. 4. To Beakers 2 and 3 add 10.00 mL portions of Cd(NO,), solution from the buret.

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