Label test tubes ___1______, ____2_____, _____3____, __4_______. Add _____2____ mL of water to test tube 1. Add _____2____ mL of water to test tube 2 and 3. Add _____2____ mL of water to test tube 4. Add 1 ml of colored water to test tube 1. (mix) Pipette _____1ml____ mL of solution from test tube 1 to test tube 2. (mix) Pipette _____1ml____ mL of solution from test tube 2 to test tube 3. (mix) Pipette ____1ml _____ mL of solution from test tube 3 to test tube 4. (mix) Calculate the concentration colored water in each test tube. Show your work. A. Test tube #1: B. Test tube #2: C. Test tube #3 D. Test tube #4