01-03-2024
Chemistry

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In clinical applications, the unit parts per million (ppm) is used to express very small concentrations of solute, where I ppm is
equivalent to 1 mg of solute per 1 L of solution. Calculate the concentration in parts per million for each of the solutions.

There is 25 μg of calcium in a total volume of 85 mL
Concentration of calcium :

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