If the Concentration of Gold in Seawater Is 2

question 179

Multiple Choice

If the concentration of gold in seawater is 2.0 milligram per ton of sea water and the mass of the ocean is 1.5 × 1018 tons, how much gold is in the ocean?

• A)3)0 × 1012 kg
• B)3)0 kg
• C)300 g
• D)36 mg
• E)3,000 lb

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