Purpose: to make various saline solutions and layer the accouding to their respective densities
Materials: Scale/balance
1-100ML, graduated cylinder
2-150ML, beakers
Pipette
Sheet of background paper, white
Kosher salt
Food coloring
Water
Methods
Solution number 1 16.0g of salt, 60Ml of water, 2 drops of blue food colaring
#2 11.7g of salt, 60 ML, 2 drops of green food colaring
#3 7.2g, 60ML, 2 drops of yellow food colaring
#4 3.4g, 60ML,1 yellow , 1 red
#5 0g of salt, 60ML, 2 drops of red food colaring
#1 1.27g/ML is the density
#2 2.548g/ML
#3 2.573g/ML
#4 3.173g/ML
#5 2.815g/ML