vRecord all weights to 0.001g.
v
vWeigh 25 ml of CuxCly solution, use exact
density to calculate exact
volume, then calculate the mass of CuxCly.
v
vDo not use metal forceps or spatulas when stirring
solution.
v
vAdd Al foil until blue color is gone, allow
excess foil to dissolve also.
v
vAllow container to cool before weighing.
v
vSpeed up cooling by placing in front of hood sash raised
4-6Ó.
v