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1. A military base is contaminated with a plume of dinitrophenyl acetate (DNPA) that has leaked from an underground storage tank.

In order to understand the degradation potential, a colleague of yours measured the change in DNPA concentration over time in pH 5.0 and pH 8.5 solutions at 22.5 °C and for a temperature range of 17.7 to 30 °C (only for pH 5.0 solution, shown next to part d).

(a) Determine the molecular formula and calculate the molecular weight of DNPA. Show ALL of your work for full credit.

Fig: 1

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