### Drinking water production system receives water

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A drinking water production system receives water from a reservoir. This water contains 0.005 g/L Ca(OH)2. To reduce the “hardness” of the water, it is mixed with a stream of limewater containing 1.5 g/L Ca(OH)2 to obtain the final product that is sent through the town’s water delivery system. The final product specifications require a concentration of 0.01 g/L Ca(OH)2. In order to meet a water demand of 106 L/day, what is the flow rate of limewater water required?

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