, you will see what happens when the drops merge on the paper towel.
1. Fold a new piece of white paper towel so that it is four layers thick and flatten
2. You will drop a drop of acid and a drop of base side by side on the paper towel
such that they will wick close to each other. Use your previous diameter
measurements to determine how close you should place these drops.
3. Next, drop a drop of BTB directly in between the drop of acid and the drop of
base, and begin observing color changes. Record these initial color changes and
the stagnant colors. You have space for only five observations in Table 1.4, so
pick your favorite five.
Diameter that 1 drop
of liquid wicked
Diameter of BTB’s
Color of BTB as it
remained on paper
Your inference about what happened
Color of BTB drop on previous acid drop is: