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    Converting ppm to kg of Cl2

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    Can I have help with these questions? I would like to practice the solutions to these problem.

    1. A sample of water has 24 grains per gallons of hardness as calcium carbonate. What is the hardness in terms of mg/L.

    2. How many kg of chlorine gas should be dissolved in 5 million liters of waters to result in a concentration of 3.4 ppm.

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    Solution Preview

    For these problems, use unit conversions.

    1 grain/gallon = 17.118 mg/L

    24 grain/gallon x (17.118 ...

    Solution Summary

    Conversion problems including ppm to kg of chlorine gas is outlined.