Seawater is water from a sea or ocean with salinity of approximately 3.5%, or 35 parts per thousand and has the elemental composition of, 85.84% oxygen, 10.82% hydrogen, 1.94% chlorine and 1.08 sodium.
Seawater is water from a sea or ocean with salinity of approximately 3.5%, or 35 parts per thousand and has the elemental composition of, 85.84% oxygen, 10.82% hydrogen, 1.94% chlorine and 1.08 sodium.