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- https://chem.libretexts.org/Ancillary_Materials/Worksheets/Worksheets%3A_Analytical_Chemistry_II/Solutions_Preparation_and_Dilutionswhere C o is the stock solution’s concentration, V o is the volume of stock solution being diluted, C d is the dilute solution’s concentration, and V d is the volume of the dilute solution. To prepare...where C o is the stock solution’s concentration, V o is the volume of stock solution being diluted, C d is the dilute solution’s concentration, and V d is the volume of the dilute solution. To prepare a standard solution of Zn 2+ you first dissolve a 1.004 g sample of Zn wire in a minimal amount of HCl and dilute to volume in a 500-mL volumetric flask to make the stock solution.
- https://chem.libretexts.org/Ancillary_Materials/Worksheets/Worksheets%3A_Analytical_Chemistry_II/Use_of_GlasswareUse a 20.00-mL pipet to make solution E, but use a 5.00-mL pipet to remove the excess before diluting to volume in the flask. All volumetric glassware has some tolerance for accuracy – that is, all gl...Use a 20.00-mL pipet to make solution E, but use a 5.00-mL pipet to remove the excess before diluting to volume in the flask. All volumetric glassware has some tolerance for accuracy – that is, all glassware contains or delivers volumes that can be slightly different from the stated volume that is printed on the glassware. Would you expect the tolerance of a Class B flask to be greater or less than that of a Class A?
- https://chem.libretexts.org/Courses/Lakehead_University/Analytical_I/4%3A_Evaluating_Analytical_Data/4.02%3A_Characterizing_Experimental_ErrorsWe call errors affecting the accuracy of an analysis determinate. Although there may be several different sources of determinate error, each source has a specific magnitude and sign. Some sources of d...We call errors affecting the accuracy of an analysis determinate. Although there may be several different sources of determinate error, each source has a specific magnitude and sign. Some sources of determinate error are positive and others are negative, and some are larger in magnitude and others are smaller. The cumulative effect of these determinate errors is a net positive or negative error in accuracy.
- https://chem.libretexts.org/Courses/Los_Angeles_Trade_Technical_College/Analytical_Chemistry/2%3A_Analytical_Chemistry_2.0_(Harvey)/05%3A_Evaluating_Analytical_Data/5.02%3A_Characterizing_Experimental_ErrorsWe call errors affecting the accuracy of an analysis determinate. Although there may be several different sources of determinate error, each source has a specific magnitude and sign. Some sources of d...We call errors affecting the accuracy of an analysis determinate. Although there may be several different sources of determinate error, each source has a specific magnitude and sign. Some sources of determinate error are positive and others are negative, and some are larger in magnitude and others are smaller. The cumulative effect of these determinate errors is a net positive or negative error in accuracy.
- https://chem.libretexts.org/Ancillary_Materials/Worksheets/Worksheets%3A_Analytical_Chemistry_II/Dilutions_and_Volumetric_GlasswareSolution B was prepared by diluting solution A to a volume of 100.00 mL so the final solution contained 5.00 ppm Cd. Use a 20.00-mL pipet to make solution E, but use a 5.00-mL pipet to remove the exce...Solution B was prepared by diluting solution A to a volume of 100.00 mL so the final solution contained 5.00 ppm Cd. Use a 20.00-mL pipet to make solution E, but use a 5.00-mL pipet to remove the excess before diluting to volume in the flask. Would you expect the tolerance of a Class B flask to be greater or less than that of a Class A? One way to represent the uncertainty in the volume contained in the flask is to use the % relative tolerance.
