Question
15mg of sodium chloride is present in 1kg of solution. express the concentration in ppm and ppb.
Answers
DrBob222
1 ppm = 1 mg/kg and 1 ppb = 1 mg/1000 kg.
15 mg/kg = ?
ppb is 1000 more mg.
15 mg/kg = ?
ppb is 1000 more mg.