up the cells so you have 3 groups of 24 cells in each tray (a total of 6 groups).
b. label the first group “no salt”.
c. label the second group “2.25 grams of salt”.
d. label the third group “4.5 grams of salt”.
e. label the fourth group “9 grams of salt”.
f. label the fifth group “18 grams of salt”.
g. label the sixth group “36 grams of salt”.
a. put 2.25 grams salt into a plastic jug, add 1 liter water, label it “2.25 grams”.
b. put 4.5 grams salt into a plastic jug, add 1 liter water, label it “4.5 grams”.
c. put 9 grams salt into a plastic jug, add 1 liter water, label 