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Weight is measured in kilograms. There are 1000 grams in 1 kilogram, and 1000 kilograms in 1 tonne.
It varies depending on what part of the ocean it is measured. Approximately 96.5% of seawater is water. The rest is dissolved salts. See related link for more information.
Concentration in mg(or micrograms)/L.
'dh' is an unknown property of seawater. If pH (measured value for acidity) is asked for: Seawater pH is limited to the range 7.5 and 8.4: ranging from neutral (7.0) to slightly alkaline (9.0), not acidic.
The mass or weight or a ruler would best be measured in grams.
This the molality (this term is now obsolete).
This the molality (this term is now obsolete).
Sodium would be 0.99%
No.
A gram is measured in grams. A kilogram is measured in kilograms.
No. Kilogram is a unit of mass, not of weight.
The concentration of salt in water is measured with a salinometer or by the chemical determination of chlorine or sodium.
grams
The kilogram.
Allowing seawater to evaporate and weighing the the remaining salts.
grams
Weight is measured in kilograms. There are 1000 grams in 1 kilogram, and 1000 kilograms in 1 tonne.