APFIVE Nitrate Concentration from Agricultural Runoff
A 2-hectare agricultural field uses fertilizer containing nitrate, and runoff yields 50 kg of nitrate per hectare into a stream. If the stream’s volume is 10,000 m³, what is the resulting nitrate concentration in mg/L?
Field Area: 2 hectares
Fertilizer Runoff: 50 kg/ha
Stream Volume: 10,000 m³
Conversions:
1 kg = 1,000,000 mg
1 m³ = 1000 L
A
5 mg/L
B
10 mg/L
C
100 mg/L
D
50 mg/L
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