You have a stock solution certified by a manufacturer to contain 225.0 ± 0.4 ug SO-/mL. You would like to dilute it by a fac of 100 to obtain 2.250 ug/mL. Two possible methods of dilution are stated. For each method, calculate the resulting absolute uncertainty in concentration. Use the manufacturer's tolerances in the table for uncertainties. Glassware Tolerance 1-mL transfer pipet +0.006 mL 10-mL transfer pipet +0.02 mL 100-mL volumetric flask +0.08 mL
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