Question

Answer the Following: (CO3) (10)
(A) A 77% exhausted Zeolite softener was used to remove the complete hardness of
10,000L/day of hard water of Sabarmati river, Ahmedabad. The softener required
250 L of NaCl solution containing 25 g/L of NaCl for regeneration. Calculate the
hardness of hard water in ppm. What will be the costing for the NaCl for the
month of February 2021, if the cost of NaCl is Rs. 5/Kg?

Answer 1

Answer:

it is the answer

Explanation:

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