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Composition of Ocean Water

Element Percent of Ocean Water
Oxygen 85.7000
Hydrogen 10.8000
Chlorine   1.9000
Sodium   1.0500
Magnesium  0.1350
Sulfur  0.0885
Calcium  0.0400
Potassium  0.0380
Bromine   0.0065
Carbon  0.0026

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