Question

When is it best to use the displacement method to determine the volume of a solid? Select all that apply. When the solid has straight edges of a common shape when the solid dissolves in the liquid when the solid is insoluble in liquid when the solid has an irregular shape

Answer 1

The answer is C. and D. when the solid is insoluble in liquid and when the solid has an irregular shape.

Answer 2

The displacement method to determine the volume of a solid is bet to measure a solid when it is insoluble in liquid and has an irregular shape.

The method consists in filling a recipient with a known amount of water, lets say a measuring cup with one cup of water. Then, put the solid inside it, totally covered by the water; measure the new volume at the water line, subtract the starting volume from this new volume, and you will have the volume of the solid.