Answer to Question #170734 in Organic Chemistry for Ash Nash

Question

The concentrations of Ca  and Mg  in a sample of river water are 13.4 mg/kg and 3.40 mg/kg, respectively. Express the concentration in molality.

Find Ca in m and Mg in m

Answer 1

 molality(Ca) = 0.335 mmol/kg

 molality(Mg) = 0.142 mmol/kg