Experiment 1
Cuvette with water (in the middle), and test tubes with two solutions, 0.30 M KI
and 0.020 M (NH4)S2O8, see page 109, item 6.

Empty
cuvette (in the middle), and test tubes with two solutions,
see page 109, item 7.

Cuvette with mixture of solutions (mix FAST: stopper with paper towel plug and shake
once) and empty tubes, page 109, item 7.

Cuvette with “placement marker” (yellow tape) is in a sample
compartment.
