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?

Question

Walter Walter

Chemistry

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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Keith Hayes · Answer 1

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.