Solution-Calculate the ionic strength of a solution

Calculate the ionic strength of a solution

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1. To determine the amount of iron in a dietary supplement, a random sample of 15 tablets weighing a total of 20.505 g was ground into a fine powder. A 3.116-g sample was dissolved and treated to precipitate the iron as Fe(OH)3. The precipitate was collected, rinsed, and ignited to a constant weight as Fe2O3, yielding 0.355 g. Report the iron content of the dietary supplement as g FeSO4•7H2O per tablet.

2. A buffer is prepared containing 1.00 molar anisic acid and 1.00 molar sodium anisate. What is its pH? The Ka for anisic acid is 3.38 x 10¯5.

3. Calculate the ionic strength of a solution of 0.10 M Na2SO4.

Reference no: EM132553589

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Calculate the ionic strength of a solution : To determine the amount of iron in a dietary supplement, a random sample of 15 tablets weighing a total of 20.505 g

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Calculate the ionic strength of a solution

Reference no: EM132553589

Reference no: EM132553589

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