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Percent error for the 10mL G.C.

Percent error for the 10mL G.C.

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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Please help with question 5
Chem 105 Online 10-ml Graduated Cylinder (note that you are changing the volume of water obtained) Mass an empty, dry small beaker and record all decimals and units. 1. 2. Using a 10mL graduated cylinder, add 10mL of distilled water to the beaker. Mass the beaker and the 10mL of water to 0.01g. 3. 4. Now continuing your measurement, add an additional 10.0mL of water using the 10.0mL graduated cylinder. Mass the beaker to determine the additional mass that was added. 5. 1. Mass of beaker 2. Mass of beaker and 10mL of water from 10mL GC 3. Mass of beaker and add'l 10 mL of water 4. Mass of water (#2-#1) & (#3-#2) in corresponding spaces 5. Percent error for the 10mL G.C. Calculations: 89.72-79.60 99.93-89.72 10.12g 10.21g 3. 4. 5. Graduated Plastic Pipet 1. Mass a small, empty, dry beaker and record to 0.01g. 2. Using a clean plastic pipet, add 10mL of water using the pipet-1mL at a time to the massed empty beaker. a. This means you will have to siphon water up to the 1mL mark and dispense ten times to obtain the 10mL. 79.60g 89.789 99.93g 10.12g 10.21g Record the mass after the 10mL is added. Repeat step #2 one more time, record the data as you proceed. Record the mass after the additional 10mL of water is added to the beaker. 1. Mass of beaker 2. Mass of beaker and 10mL of water from Pipet 3. Mass of beaker and add'l 10 mL of water from Pipet 4. Mass of water (#2-#1) & (#3-#2) in corresponding spaces 5. Percent error for the plastic pipet Ch At
Transcribed Image Text:Chem 105 Online 10-ml Graduated Cylinder (note that you are changing the volume of water obtained) Mass an empty, dry small beaker and record all decimals and units. 1. 2. Using a 10mL graduated cylinder, add 10mL of distilled water to the beaker. Mass the beaker and the 10mL of water to 0.01g. 3. 4. Now continuing your measurement, add an additional 10.0mL of water using the 10.0mL graduated cylinder. Mass the beaker to determine the additional mass that was added. 5. 1. Mass of beaker 2. Mass of beaker and 10mL of water from 10mL GC 3. Mass of beaker and add'l 10 mL of water 4. Mass of water (#2-#1) & (#3-#2) in corresponding spaces 5. Percent error for the 10mL G.C. Calculations: 89.72-79.60 99.93-89.72 10.12g 10.21g 3. 4. 5. Graduated Plastic Pipet 1. Mass a small, empty, dry beaker and record to 0.01g. 2. Using a clean plastic pipet, add 10mL of water using the pipet-1mL at a time to the massed empty beaker. a. This means you will have to siphon water up to the 1mL mark and dispense ten times to obtain the 10mL. 79.60g 89.789 99.93g 10.12g 10.21g Record the mass after the 10mL is added. Repeat step #2 one more time, record the data as you proceed. Record the mass after the additional 10mL of water is added to the beaker. 1. Mass of beaker 2. Mass of beaker and 10mL of water from Pipet 3. Mass of beaker and add'l 10 mL of water from Pipet 4. Mass of water (#2-#1) & (#3-#2) in corresponding spaces 5. Percent error for the plastic pipet Ch At
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