Question: 2. For the water quality data in Problem 1, determine the lime and soda ash dose, in mg/L as CaCO3, to soften the water to

2. For the water quality data in Problem 1, determine the lime and soda ash dose, in mg/L as CaCO3, to soften the water to a final hardness of 80.00mg/L as CaCO3. If the price of lime, purchased as CaO, is $61.70 per megagram ( Mg ), and the price of soda ash, purchased as Na2CO3, is $172.50 per Mg, what is the annual chemical cost of treating 0.050m3/s of this water? Assume the lime is 90% pure and the soda ash is 97% pure

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