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Make a seperate schematic diagram from provided procedures in photos

Make a seperate schematic diagram from provided procedures in photos

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Make a seperate schematic diagram from provided procedures in photos

D. Delivering an aliquot and dilution 1. Using a serological pipette, transfer accurately a 10-mL aliquot of the previously prepared NaCl solution into a 100-mL volumetric flask, then dilute to mark using distilled water. 2. Put a stopper on the volumetric flask. Then invert the glassware up and down around five times, making sure there are no leaks. 3. Put the diluted solution in a reagent bottle, then properly label the solution. Note the concentration of the solution. Show your reagent bottle to your instructor for checking.
Transcribed Image Text:D. Delivering an aliquot and dilution 1. Using a serological pipette, transfer accurately a 10-mL aliquot of the previously prepared NaCl solution into a 100-mL volumetric flask, then dilute to mark using distilled water. 2. Put a stopper on the volumetric flask. Then invert the glassware up and down around five times, making sure there are no leaks. 3. Put the diluted solution in a reagent bottle, then properly label the solution. Note the concentration of the solution. Show your reagent bottle to your instructor for checking.
C. Preparation and storage of standard solutions 1. Use the weighed and transferred NaCl powder in procedure B. Dissolve it in about 10 mL distilled water. Use a stirring rod to gently stir the solution until it has been dissolved to an extent. Make sure you will not incur any noise while stirring. 2. When the NaCI powder is partially dissolved, transfer the resulting solution into a 100 mL volumetric flask. Use a stirring rod and funnel. 3. Repeat steps 1 and 2 until no NaCl remains in the beaker and until you are almost at the mark of the volumetric flask. 4. Rinse the last portion of the solution from the stirring rod into the volumetric flask with a stream of water from the wash bottle. Rinse the funnel and remove it. Dilute the solution in the flask using a Pasteur pipette until the bottom of the meniscus is even with the graduation mark. 5. Put a stopper on the volumetric flask. Invert the glassware up and down around five times, making sure there are no leaks. 6. Put the diluted solution in a reagent bottle, then properly label the solution. Calculate and note the concentration of the solution. Show your reagent bottle to your instructor for checking.
Transcribed Image Text:C. Preparation and storage of standard solutions 1. Use the weighed and transferred NaCl powder in procedure B. Dissolve it in about 10 mL distilled water. Use a stirring rod to gently stir the solution until it has been dissolved to an extent. Make sure you will not incur any noise while stirring. 2. When the NaCI powder is partially dissolved, transfer the resulting solution into a 100 mL volumetric flask. Use a stirring rod and funnel. 3. Repeat steps 1 and 2 until no NaCl remains in the beaker and until you are almost at the mark of the volumetric flask. 4. Rinse the last portion of the solution from the stirring rod into the volumetric flask with a stream of water from the wash bottle. Rinse the funnel and remove it. Dilute the solution in the flask using a Pasteur pipette until the bottom of the meniscus is even with the graduation mark. 5. Put a stopper on the volumetric flask. Invert the glassware up and down around five times, making sure there are no leaks. 6. Put the diluted solution in a reagent bottle, then properly label the solution. Calculate and note the concentration of the solution. Show your reagent bottle to your instructor for checking.
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