A Polymer Is Stored In A 1 2 M Solution Of Nacl

A polymer is stored in a 1.2 M solution of NaCl. The stability of this polymer should also be investigated in solutions of CaSO4, MgCl2, FeCl3 and Ba3(PO4)2 with ionic strengths identical to that of the original (NaCl) solution. Calculate the required concentration of each salt.

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