State whether the errors in (a)(d) are random or systematic: (a) A 25-mL transfer pipet
Chapter 3, Problem 3-12(choose chapter or problem)
State whether the errors in (a)(d) are random or systematic: (a) A 25-mL transfer pipet consistently delivers 25.031 0.009 mL. (b) A 10-mL buret consistently delivers 1.98 0.01 mL when drained from exactly 0 to exactly 2 mL and consistently delivers 2.03 mL 0.02 mL when drained from 2 to 4 mL. (c) A 10-mL buret delivered 1.983 9 g of water when drained from exactly 0.00 to 2.00 mL. The next time I delivered water from the 0.00 to the 2.00 mL mark, the delivered mass was 1.990 0 g. (d) Four consecutive 20.0- L injections of a solution into a chromatograph were made and the area of a particular peak was 4 383, 4 410, 4 401, and 4 390 units. 3
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