A Sample of Seawater Contains 1

question 6

Multiple Choice

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?

• A)4.2 × 10^-4 ppm Ca²⁺ ions
• B)0.42 ppm Ca²⁺ ions
• C)420 ppm Ca²⁺ ions
• D)4.0 ppm Ca²⁺ ions
• E)4.0 × 10³ ppm Ca²⁺ ions

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