E whai tote ana. Ko te kaha mātaitai o tētahi mehanga, he inenga o te taumaha tote (gm) kei roto i ia manokaramu (kg) wai. Kei te takiwā o te 35g/kg te mātaitai o te wai moana (arā e 35 karamu (g) tote kei roto i ia kg o te wai).
Containing salt. The level of salinity of a solution is a measure of the amount of salt in each kilogram of water. The salinity of ocean water is about 35g/kg (that is 35g of salt to every kg of water).