Chemistry Reference
In-Depth Information
them with sodium by filteration through an
ion exchange resin
. In this
experiment, you will choose two methods of water softening, develop a
procedure to test both methods, and compare their effectiveness.
Time Required
45 minutes
Materials
2
distilled water (about 5 milliliters [ml])
2
access to running water
2
hard water (distilled water treated with 15 ml (1 tablespoon
[tbsp]) Epsom salt per 1.06 quarts [qt] [1 liter (L)])
2
dish washing liquid (not detergent used in a dishwasher)
2
hot plate or Bunsen burner with ring stand, iron ring, and wire
gauze
2
goggles
2
hot mitts
2
ring stand with clamp
2
2 250 ml beakers
2
2 600 ml beakers
2
graduated cylinder
2
thermometer
2
florence flask
2
condenser tube for distillation
2
2 hoses for the distillation condenser (each about 3 feet (ft)
[about 1 meter (m)] long)
2
2-hole stopper
2
1-hole stopper
2
3 test tubes with stoppers
2
Parailm
TM
2
plastic pipettes
