Weighted average of chlorine compound concentration

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Reference no: EM13860709

Where does all the water go? According to the Environmental Protection Agency (EPA), in a typical wetland environment, 40% of the water is outflow; 50% is seepage; 7% evaporates; and 3% remains as water volume in the ecosystem (Reference: United States Environmental Protection Agency Case Studies Report 832-R-93-005). Chloride compounds as residuals from residential areas are a problem for wetlands. Suppose that in a particular wetland environment the following concentrations (mg/l) of chloride compounds were found: outflow, 58.7; seepage, 72.7; remaining due to evaporation, 28.1; in the water volume, 28.1.

(a) Compute the weighted average of chlorine compound concentration (mg/l) for this ecological system. (Enter your answer to one decimal place.)

mg/l

(b) Suppose the EPA has established an average chlorine compound concentration target of no more than 58 mg/l. Does this wetlands system meet the target standard for chlorine compound concentration?

Yes. The average chlorine compound concentration (mg/l) is too high.

Yes. The average chlorine compound concentration (mg/l) is lower than the target.

No. The average chlorine compound concentration (mg/l) is lower than the target.

No. The average chlorine compound concentration (mg/l) is too high.

Reference no: EM13860709

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