You can't determine the exact volume in ml of a soda lid without knowing the specific size and shape of the lid.

Here's why:

* Lid shapes vary: Soda lids come in different shapes and sizes, with some being deeper than others.

* Manufacturer differences: Different soda brands and sizes use varying lid designs.

To find the volume of a specific soda lid:

1. Measure the dimensions: Use a ruler or measuring tape to find the diameter and depth of the lid.

2. Calculate the volume: You can use the formula for the volume of a cylinder:

* Volume = π * (radius)^2 * height

* Where "radius" is half the diameter and "height" is the depth of the lid.

Note: This calculation will provide an approximate volume, as the lid shape may not be perfectly cylindrical.