Final answer:
The charge of a 500-gram mass cannot be determined solely by mass. Charge is a separate physical property, typically measured in coulombs. Without additional context, it is generally assumed that objects are uncharged.
Step-by-step explanation:
The question seeks to determine the charge carried by a 500-gram mass. Without additional context or information, it is not possible to accurately determine the charge of the mass just by knowing its weight. In physics, the charge of an object is not directly related to its mass because charge is a separate property often measured in coulombs (C). The provided options (0 C, 5 C, 500 C, 1000 C) are not directly deducible from the mass information alone.
In standard practice, objects of daily use do not carry such large charges as indicated in options b, c, and d. Therefore, by default and in absence of other influencing factors or specific experimental setups, we might assume the object is uncharged, which corresponds to option a) 0 C. However, to provide a certain answer, more context regarding the situation in which the mass has a charge would be required.