Determine the reaction order for Na2S2O3 using calculations described in the background section. Show your work. Note that your answer will probably not be a whole number as it is in the examples.

Concentration (M) of Na2S2O3 after Mixing in Well Trial 1 Reaction Time 18.40 37.07 48.55 (sec) Trial 2 35.98 41.18 Reaction Time 17.82 (sec) Average 18.11 36.52 44.87 Reaction Time (sec) Reaction .055 .027 .022