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The solubility of ammonium sulfate in water at 25C is 76.0 g per 100.0ml of water....

The solubility of ammonium sulfate in water at 25C is 76.0 g per 100.0ml of water. These proportions yield a saturated solution with a density of 1.26g/ml. What is the molar concentration of a saturated solution of ammonium sulfate at 25C?

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Answer #1

molarity = weight of substance *1000/ gram molecular weight * volume of solution in ml

weight of substance                             = 76g

volume of solution                                 = 100ml

molecular weight of ammonium sulfate    = 132

           = 76*1000/132*100

        =5.75 M

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