Which Scenario Below Has the Lowest Relative Uncertainty

Multiple Choice

Which scenario below has the lowest relative uncertainty?

A) Delivering 35.50 mL of titrant with a 50 +/− 0.05 mL class A buret.
B) Delivering 15.40 mL of titrant with a 50 +/− 0.05 mL class A buret.
C) Delivering 18.50 mL of titrant with a 25 +/−0.03 mL class A buret.
D) Delivering 5.40 mL of titrant with a 25 +/−0.03 mL class A buret.
E) Delivering 97.30 mL of titrant with a 100 +/−0.10 mL class A buret.