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OpenStudy (anonymous):
If I need to make a NaCl solution with an Na ION concentration of 70,000 mg/L, would I just say that the grams of ION needed is 70, turn that into mols, find mols of entire salt needed, and then turn that into grams? And then if it needs to be only 500 mL of this solution, cut that answer in half? I'm really just second guessing myself at this point, so any help would be nice.
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