vRecord all weights to 0.001g
v
vWeigh
25 ml of CuClx solution, use exact density to calculate
exact
volume, then calculate the mass of CuClx
v
vDo not use metal forceps or spatulas
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
vThe second beaker does
not have to be 150 mL
v
vA casserole will also work as an evaporating dish