 Get five beakers with a 100mL line  Label each beaker (1-5)  Fill each beaker with 50mL of distilled water(dH 2 O)  Add.5 grams of salt to beaker 2  Add 1 gram of salt to beaker 3  Add 2 grams of salt to beaker 4  Add 4 grams of salt to beaker 5  Fill each beaker with more distilled water until the water line is at the 100mL mark  Stir with scupula  Get a potato