Multiply chlorinity, the amount of chlorine in seawater, by 1.80655 to get this figure
[DOC] [TLE] Calculating Salinity [PAR] In the open ocean, the principal chemical constituents in seawater have nearly 
the ... between salinity and chlorinity (concentration of Cl- ion) for sea water... [DOC] [TLE] Laboratory Activity 2 [PAR] When all of the chloride ion is exhausted, the chromate ion reacts with silver ions 
and ... Avoid getting AgNO 3 on hands since it stains the skin.