This is not hard to calculate, but I found that getting this right was the trickiest part of the assignment. And, do a charge balance on your input recipes. If you did this right you should get within a few percent charge balance. Use the dosage information you calculated above to computer the total cost per day of all chemicals need to treat the water supply for the town of Drain. Compare the cost of using Cl gas to that of using HTH when all chemical costs are considered.
All prices are as delivered to Drain, Oregon.
The specific gravity is 1.18.