1
answer
0
watching
93
views
11 Nov 2019
e following equipment from highest procision to lowes procision in mesuring volume Look at one of each piece of equipment and determine how many significant figures can be obtained lind tber the last significant figure is estimated between the graduations) Equipment Beaker Buret 100mL Graduated Cylinder Precision Rank (1,2,3) where 1-Highest å¦ 2 CRITICAL THINKING OUESTI titrations whose eff start again anyway. Think more deeply about the experiment that you have perjorime words...why would it not be good technique to have to refill the buret DURING a titration? Why do you think the instructions told you not to leave the funnel in the buret during the titration? 2. Having completed a series of titrations, list several errors that might occur or might have occurred in your ects can be reduced by repeating the determination over several trials (Hint: Think carefully about every aspect of performing the titration and any problems that encountered. Don't waste your time with trivial problems like spilling problems like spilling the sample that would have required you to 3. Why do you think the instructions call for you to maintain a full buret at the beginning of each trial? In other 4. done to provide enough volume to be able to work with and see well and to make sure that all of the titrant was in solution instead of stuck to the side of the flask. If the calculation of molarity is based on moles of solute per liter of solution, why is it acceptable to add this extra water without worrying about it in calculations? t multiple points in the procedure you were advised to add water to the flask you were titrating into. This was
e following equipment from highest procision to lowes procision in mesuring volume Look at one of each piece of equipment and determine how many significant figures can be obtained lind tber the last significant figure is estimated between the graduations) Equipment Beaker Buret 100mL Graduated Cylinder Precision Rank (1,2,3) where 1-Highest å¦ 2 CRITICAL THINKING OUESTI titrations whose eff start again anyway. Think more deeply about the experiment that you have perjorime words...why would it not be good technique to have to refill the buret DURING a titration? Why do you think the instructions told you not to leave the funnel in the buret during the titration? 2. Having completed a series of titrations, list several errors that might occur or might have occurred in your ects can be reduced by repeating the determination over several trials (Hint: Think carefully about every aspect of performing the titration and any problems that encountered. Don't waste your time with trivial problems like spilling problems like spilling the sample that would have required you to 3. Why do you think the instructions call for you to maintain a full buret at the beginning of each trial? In other 4. done to provide enough volume to be able to work with and see well and to make sure that all of the titrant was in solution instead of stuck to the side of the flask. If the calculation of molarity is based on moles of solute per liter of solution, why is it acceptable to add this extra water without worrying about it in calculations? t multiple points in the procedure you were advised to add water to the flask you were titrating into. This was
Elin HesselLv2
11 Aug 2019