Lab exit ticket To Calculate the volume of a stone (irregular solid)we use…………………………………… containing a quantity of water. Lab exit ticket V1 (The level of water before adding stone) = V2 (The level of water after adding the stone = To Calculate the volume of a stone (irregular solid) we V3 (The volume of the stone) = V2-V1 use…………………………………… containing a quantity of water. V1 (The level of water before adding stone) = V2 (The level of water after adding the stone = V3 (The volume of the stone) = V2-V1