question archive If you were to weigh out one gram of potassium chloride (KCl), on a milligram precision balance (i
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If you were to weigh out one gram of potassium chloride (KCl), on a milligram precision balance (i.e. 1.000 g or 1,000 mg), and then were to dissolve into a 3 Liter volumetric flask. Using a calculator, one may be tempted to say that the concentration will be of 0.333333333.... grams per liter (g/L) or 33.333333.... mg/L of KCl. Discuss why this is not correct in terms of the precision of the milligram balance. What will be the concentration of the solution with the correct significant figures?
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