A sample of seawater contains 1.3 g of calcium ions in 3,100 kg of solution. What is the calcium ion concentration of this solution in units of ppm?

Name: A sample of seawater contains 1.3 g of calcium ions in 3,100 kg of solution. What is the calcium ion concentration of this solution in units of ppm?
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Quizplus · Accepted Answer

To calculate ppm (parts per million), you divide the mass of the solute by the total mass of the solution and then multiply by 1,000,000. So, $ \frac{1.3\,g}{3,100,000\,g} \times 1,000,000 = 0.42 $ ppm.

A Sample of Seawater Contains 1