The mass of an object does not depend on its volume. Mass is a measure of the amount of matter in an object, while volume is a measure of the amount of space an object occupies. Two objects can have the same mass but different volumes, or vice versa. For example, a lead ball and a ping-pong ball have the same mass, but the lead ball has a much smaller volume. This is because lead is a much denser material than ping-pong. Density is defined as mass per unit volume. So, the denser an object is, the more mass it has for a given volume.

There are some cases where the mass of an object does seem to depend on its volume. For example, if you fill a balloon with air, the balloon will become heavier. This is because the air inside the balloon has mass. However, the mass of the air is not actually dependent on the volume of the balloon. It is actually the density of the air that is changing. As the balloon is filled with air, the density of the air inside the balloon increases. This means that there is more mass per unit volume of air inside the balloon.

So, while it may seem like the mass of an object depends on its volume, it is actually the density of the object that is determining its mass.