A dark blue beaker labeled 100 millimeters Y has an arrow leading to a pale blue beaker labeled 90 millimeters H subscript 2 O. This has an arrow leading to a white beaker labeled 99 millimeters H subscript 2 O. The first arrow has a label 10 millimeters over it. The second arrow has a label 1 milliliter over it. The dark blue beaker has a box below it labeled Beaker number 1 p H = 2. The pale blue beaker has a box below it labeled Beaker number 2 p H = ?. The white beaker has a box below it labeled beaker number 3 p H = ?. If the pH of Beaker.