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20 May, 13:47

0.005 mg/l is the maximum concentration of cadmium allowed in drinking water. what is the molarity of the water that contains the maximum concentration of Cadmium allowed?

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  1. 20 May, 13:50
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    The gram formula mass of cadmium is 112.4 g/mol. So the mole number of 0.005 mg Cd is 0.005*10^ (-3) / 112.4=4.45*10^ (-8) mol. So the molarity is 4.45*10^ (-8) M.
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