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PRACTICAL: STANDARD SOLUTION & DILUTIONS Dilutions of Solution S Prepare dilute solutions of copper(II) sulfate pentahydrate from Solution S. You must pipette Solution S from a small beaker. Solution 1: Transfer 15.00 mL of water from a burette to a 50-mL conical flask. Then add 5.00 mL of Solution S with a 5-mL pipette. Mix the solution well. Label this solution Solution 1. Solution 2: Transfer 25.00 mL of Solution S with a 25-mL pipette to a 250-mL volumetric flask. Then add enough water up to the calibration mark. Mix well. Label this solution Solution 2. Solution 3: Transfer 25.00 mL of Solution S with a 25-mL pipette to a 50-mL volumetric flask. Then add enough water up to the calibration mark. Mix well. Label this solution Solution 3. Solution 4: Transfer 25.00 mL of Solution S with a 25-mL pipette to a 100-mL volumetric flask. Then add enough water up to the calibration mark. Mix well. Label this solution Solution 4. Calculations: Determine the molarities of Solutions 1, 2, 3 and 4. Apply the rules of significant figures Solution 1: Solution 2: Solution 3: Solution 4: Transfer the solutions into small vials. The volumes in the vials should be very nearly equal. Then place the vials (containing the solutions) on a white piece of paper next to each other. Look very carefully at the intensity of the colour of each solution. Arrange the solutions S, 1, 2, 3 and 4 in order of decreasing intensity of the colour: Is there any relationship between the concentration of each solution and the intensity of the colour of the solution? Explain.

PRACTICAL: STANDARD SOLUTION & DILUTIONS Dilutions of Solution S Prepare dilute solutions of copper(II) sulfate pentahydrate from Solution S. You must pipette Solution S from a small beaker. Solution 1: Transfer 15.00 mL of water from a burette to a 50-mL conical flask. Then add 5.00 mL of Solution S with a 5-mL pipette. Mix the solution well. Label this solution Solution 1. Solution 2: Transfer 25.00 mL of Solution S with a 25-mL pipette to a 250-mL volumetric flask. Then add enough water up to the calibration mark. Mix well. Label this solution Solution 2. Solution 3: Transfer 25.00 mL of Solution S with a 25-mL pipette to a 50-mL volumetric flask. Then add enough water up to the calibration mark. Mix well. Label this solution Solution 3. Solution 4: Transfer 25.00 mL of Solution S with a 25-mL pipette to a 100-mL volumetric flask. Then add enough water up to the calibration mark. Mix well. Label this solution Solution 4. Calculations: Determine the molarities of Solutions 1, 2, 3 and 4. Apply the rules of significant figures Solution 1: Solution 2: Solution 3: Solution 4: Transfer the solutions into small vials. The volumes in the vials should be very nearly equal. Then place the vials (containing the solutions) on a white piece of paper next to each other. Look very carefully at the intensity of the colour of each solution. Arrange the solutions S, 1, 2, 3 and 4 in order of decreasing intensity of the colour: Is there any relationship between the concentration of each solution and the intensity of the colour of the solution? Explain.

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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PRACTICAL: STANDARD SOLUTION & DILUTIONS Dilutions of Solution S Prepare dilute solutions of copper(II) sulfate pentahydrate from Solution S. You must pipette Solution S from a small beaker. Solution 1: Transfer 15.00 mL of water from a burette to a 50-mL conical flask. Then add 5.00 mL of Solution S with a 5-mL pipette. Mix the solution well. Label this solution Solution 1. Solution 2: Transfer 25.00 mL of Solution S with a 25-mL pipette to a 250-mL volumetric flask. Then add enough water up to the calibration mark. Mix well. Label this solution Solution 2. Solution 3: Transfer 25.00 mL of Solution S with a 25-mL pipette to a 50-mL volumetric flask. Then add enough water up to the calibration mark. Mix well. Label this solution Solution 3. Solution 4: Transfer 25.00 mL of Solution S with a 25-mL pipette to a 100-mL volumetric flask. Then add enough water up to the calibration mark. Mix well. Label this solution Solution 4. Calculations: Determine the molarities of Solutions 1, 2, 3 and 4. Apply the rules of significant figures Solution 1: Solution 2: Solution 3: Solution 4: Transfer the solutions into small vials. The volumes in the vials should be very nearly equal. Then place the vials (containing the solutions) on a white piece of paper next to each other. Look very carefully at the intensity of the colour of each solution. Arrange the solutions S, 1, 2, 3 and 4 in order of decreasing intensity of the colour: Is there any relationship between the concentration of each solution and the intensity of the colour of the solution? Explain.
Transcribed Image Text:PRACTICAL: STANDARD SOLUTION & DILUTIONS Dilutions of Solution S Prepare dilute solutions of copper(II) sulfate pentahydrate from Solution S. You must pipette Solution S from a small beaker. Solution 1: Transfer 15.00 mL of water from a burette to a 50-mL conical flask. Then add 5.00 mL of Solution S with a 5-mL pipette. Mix the solution well. Label this solution Solution 1. Solution 2: Transfer 25.00 mL of Solution S with a 25-mL pipette to a 250-mL volumetric flask. Then add enough water up to the calibration mark. Mix well. Label this solution Solution 2. Solution 3: Transfer 25.00 mL of Solution S with a 25-mL pipette to a 50-mL volumetric flask. Then add enough water up to the calibration mark. Mix well. Label this solution Solution 3. Solution 4: Transfer 25.00 mL of Solution S with a 25-mL pipette to a 100-mL volumetric flask. Then add enough water up to the calibration mark. Mix well. Label this solution Solution 4. Calculations: Determine the molarities of Solutions 1, 2, 3 and 4. Apply the rules of significant figures Solution 1: Solution 2: Solution 3: Solution 4: Transfer the solutions into small vials. The volumes in the vials should be very nearly equal. Then place the vials (containing the solutions) on a white piece of paper next to each other. Look very carefully at the intensity of the colour of each solution. Arrange the solutions S, 1, 2, 3 and 4 in order of decreasing intensity of the colour: Is there any relationship between the concentration of each solution and the intensity of the colour of the solution? Explain.
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