(d) In potable water, the secondary maximum contaminant level (SMCLs are for contaminants that will not cause adverse he

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(d) In potable water, the secondary maximum contaminant level (SMCLs are for contaminants that will not cause adverse he

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D In Potable Water The Secondary Maximum Contaminant Level Smcls Are For Contaminants That Will Not Cause Adverse He 1
D In Potable Water The Secondary Maximum Contaminant Level Smcls Are For Contaminants That Will Not Cause Adverse He 1 (38.73 KiB) Viewed 51 times
(d) In potable water, the secondary maximum contaminant level (SMCLs are for contaminants that will not cause adverse health effects) for Mn2+ is 0.05mg/L. The concentration of Mn2+ in a sample of water entering a drinking water treatment works was measured at 0.1ppm. (i) What percentage of Mn2+ needs to be removed through treatment such that the water conforms to the SMCLs? The density of the effluent water can be assumed to be 1kg/L [3] (ii) The molar mass of Manganese (Mn) is 54.9g/mol. What is the molar concentration of Mn2+ in the water sample? [2]
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