What would be the order of elution when using a capillary electrophoresis to separate the following ions: K+, Zn2+, Se2–? In this separation, the separation was performed in the normal mode where the cathode (–) is near the detector and the anode (+) is where the sample is applied.
Group of answer choices
K+; Zn2+; Se2-
Zn2+; K+; Se2-
Se2-; K+; Zn2+
Se2-; Zn2+; K+
Zn2+; Se2-; K+
K+; Se2-; Zn2+