3. Use the % change class average for the unknown Circle the spot on the best fit line that shows the sucrose concentration of the unknown. b. What is the sucrose concentration of the unknown? a. .3m 4. What is the relationship between the change in mass and the sucrose concentration in the dialysis bags? Eucrose concentration the greater The greater the the change. Use the graph to answer #5 & 6 5. An unknown solution had a percent change of 23%, what is the molarity of the solution? 2 M 6. The Molarity of a solution is .7M, what is the percent change? 0% 7. A bag with .2M of sucrose solution and placed it in a cup of .8M sucrose solution. Draw a cup with a bag in it. Put 2 dots in the bag and 8 dots in the cup. a. b. Draw an arrow that shows the direction the sugar would move C. Would you expect the mass of the bag to increase or decrease? Why? water is going to leave the bay 8. Name and define the process that causes the water move from the cup into the bag? Osmosis Discussing the Data - Class Average vs Group 9. Use the change my group for the unknown Belangen a. Saware the spot on the best fit line that shows the sucrose concentration of the unknown. b. What is the sucrose concentration of the unknown? Did you get the same answer as in 3b? 10. Many times when there are differences in data it is caused by small errors made when setting up the lab, collecting data or processing the data. List 2 sources where an error could have been made. filling the bags massing the bags 11. Is it better to use individual data or class data? Explain. more data
3. Use the % change class average for the unknown Circle the spot on the best fit line that shows the sucrose concentration of the unknown. b. What is the sucrose concentration of the unknown? a. .3m 4. What is the relationship between the change in mass and the sucrose concentration in the dialysis bags? Eucrose concentration the greater The greater the the change. Use the graph to answer #5 & 6 5. An unknown solution had a percent change of 23%, what is the molarity of the solution? 2 M 6. The Molarity of a solution is .7M, what is the percent change? 0% 7. A bag with .2M of sucrose solution and placed it in a cup of .8M sucrose solution. Draw a cup with a bag in it. Put 2 dots in the bag and 8 dots in the cup. a. b. Draw an arrow that shows the direction the sugar would move C. Would you expect the mass of the bag to increase or decrease? Why? water is going to leave the bay 8. Name and define the process that causes the water move from the cup into the bag? Osmosis Discussing the Data - Class Average vs Group 9. Use the change my group for the unknown Belangen a. Saware the spot on the best fit line that shows the sucrose concentration of the unknown. b. What is the sucrose concentration of the unknown? Did you get the same answer as in 3b? 10. Many times when there are differences in data it is caused by small errors made when setting up the lab, collecting data or processing the data. List 2 sources where an error could have been made. filling the bags massing the bags 11. Is it better to use individual data or class data? Explain. more data
Biomedical Instrumentation Systems
1st Edition
ISBN:9781133478294
Author:Chatterjee
Publisher:Chatterjee
Chapter9: Instrumentation In Blood Circulation
Section: Chapter Questions
Problem 12P
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