上游充通大兽 海水组成(Constituents of Seawater) SHANGHAI JIAO TONG UNIVERSITY Table 6.1 Major Constituents of Seawater at 34.32%0 Salinity Concentration in Parts-per-Thousand(%0) or Grams-per-Kilogram Constituent (g/kg) Percent by Weight Water Itself Oxygen 857.8 85.8% Hydrogen 107.2 10.7% The Most Abundant lons Chloride(CI-) 18.980 19% Sodium(Na*) 10.556 1.1% Sulfate (SO,) 2.649 0.3% Magnesium(Mg2*) 1.272 0.1%海水组成(Constituents of Seawater)