Question

Can you complete the table using the data on page 175 please amd thank you!

Experiment 10: Results Table (Allowed on concept review, pass in with your concept review quiz and data) Section: Date:_ Name: All results must be written in pen. Pencil is not allowed! Record all results with the correct number of significant figures and units No stray marks or notes should be present on this page. Only the tabulated results are allowed Determining the Boiling Point Elevation Constant of Water Molality of NaCI solution Boiling point elevation constant, Kb Percent error All data must be written in pen at the time it is collected. Pencil is not allowed!! Record all measurements with the correct number of significant figures and units. TA signature and TA initials on any changes made to the data must be present or your data is invalid. Determining the Boiling Point 1. Record the mass of a 50mL beaker Elevation Constant of Water Mass of beaker: Remove the beaker from the balance. Prepare a dilute NaCI solution by measuring out 5-6g of NaCI into a 50 mL beaker. Record the exact mass of the beaker and salt. 2. 3. 4. Skotg Mass of beaker and salt. 5. Use a graduated cylinder to add 25.00 mL water to the 50 mL beaker. 6. Mix well. 7. Pour approximately 25 mL of distilled water into a second 50 mL beaker. 8. Place the beaker of water on the hot plate and gradually heat the water until it is boiling vigorously The temperature should reach a constant value. 9. Insert your temperature probe into the boiling water. Wait until a steady temperature is reached 10. Record this temperature as T solvent 971, с Tsolvent 11. Remove the beaker of water and place a beaker of dilute NaCI solution on the hot plate 12. Slowly heat the NaCI solution. 13. When the temperature reaches approximately 90°C, watch the solution carefully until you see bubbles in the solution. 14. Immediately record the temperature of the boiling solution. 1040-e Tsolution - 15. Discard the NaCI solution into the waste container. 175

Answer 1

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