Question

Percentage of NaCl in saline water

Answer 1

it is commonly expressed in terms of ppm. its concentration in slightly saline water is 1000 to 3000 ppm(0.1-0.3%), in moderate saline water it is 3000 to 10,000 ppm(0.3-1%), in highly saline water it is 10,000 to 35,000 ppm(1-3.5%).