Question: Present clean and clear solutions to the following problems. Do not forget to highlight the final answer. A home water softener has 0 . 5

Present clean and clear solutions to the following problems. Do not forget to highlight the final answer.
A home water softener has 0.5 m3 of ion exchange resin with an exchange capacity of 80 kg/m3. The occupants use 5,000 L of water daily. If the water contains 400 mg/L hardness as CaCO3 and it is desired to soften it to 100 mg/L as CaCO3, how much should pass through the ion exchange column? What is the time between regeneration cycles?

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