The normal commercial eyedropper dispenses ______ of solution.

The correct amount dispensed by a normal commercial eyedropper is typically around 50 microliters (µL) per drop. This is a standardized measure that some eyedroppers adhere to, especially when precision is necessary for applications like adding medication or other solutions.

Understanding the typical volume is crucial because medications administered through eyedroppers often rely on accurate dosing. The volume of a drop can be affected by factors such as the viscosity of the liquid and the design of the dropper, but in many common scenarios, 50 microliters is considered the average amount.

The other options represent volumes that are larger than what a typical eyedropper would dispense in a single drop, making them less accurate for scenarios requiring precision, such as when dosing medication. For instance, 0.5 mL would translate to 500 microliters, which is significantly more than what is distributed in one drop, and 1mL (1000 microliters) and 2mL (2000 microliters) are even larger amounts that would not align with the typical usage of a commercial eyedropper.