What is the concentration in ppm of a solution which is prepared by dissolving 15 mg of NaCl in 200 mL water? A)1.5 × 10^-5 B)75 C)0.075 D)15 E)7.5 × 10^-⁵

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Quizplus · Accepted Answer

PPM (parts per million) is calculated as (mass of solute in mg / volume of solution in L). Here, 15 mg of NaCl is dissolved in 0.2 L of water, so the concentration is 15 mg / 0.2 L = 75 ppm.

What Is the Concentration in Ppm of a Solution Which