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What is the molarity of a solution that contains 36 mEq Ca2+ per liter?

What is the molarity of a solution that contains 36 mEq Ca2+ per liter?
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Answer #1

            36mEq/L = 36*10-3 Eq/L  

      36*10-3 Eq/L     = normality

normality   = n* molarity

molarity = normality /n                  n= charge on cation

                = 36*10-3 /2   = 18*10-3 = 0.018M >>>>> answer

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