Question

Water with a chloride concentration of 50 mg/L is discharged into a river at a flowrate of 100 m³/h into a river. The flowrate of the river is 6 000 m³/h and the Cl? concentration is 2 mg/L before the discharge. i) What is the total flowrate? Qtotal = m³/h ii) What is the concentration at the end of the mixing zone? C (when well mixed) = mg/L The Gariep Dam has a volume of 0.55 km³. If the flowrate out of the dam is 0.03667 km³/yr. What is the residence time of water in the dam? (Give your answer rounded to the nearest number of years.) TGariep = (Give your answer rounded to the nearest number of years.)

          Water with a chloride concentration of 50 mg/L is discharged into a river at a flowrate of 100 m³/h into a river. The flowrate of the river is 6 000 m³/h and the Cl? concentration is 2 mg/L before the discharge.
i) What is the total flowrate?
Qtotal =  m³/h
ii) What is the concentration at the end of the mixing zone?
C (when well mixed) =  mg/L
The Gariep Dam has a volume of 0.55 km³. If the flowrate out of the dam is 0.03667 km³/yr. What is the residence time of water in the dam? (Give your answer rounded to the nearest number of years.)
TGariep =  (Give your answer rounded to the nearest number of years.)

Water with a chloride concentration of 50 mg/L is discharged into a river at a flowrate of 100 m³/h into a river. The flowrate of the river is 6 000 m³/h and the Cl? concentration is 2 mg/L before the discharge.
i) What is the total flowrate?
Qtotal = m³/h
ii) What is the concentration at the end of the mixing zone?
C (when well mixed) = mg/L
The Gariep Dam has a volume of 0.55 km³. If the flowrate out of the dam is 0.03667 km³/yr. What is the residence time of water in the dam? (Give your answer rounded to the nearest number of years.)
TGariep = (Give your answer rounded to the nearest number of years.)

Added by Diane J.

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