Civil Engineering > GATE 2022 SET-1 > Environmental Engineering
A wastewater sample contains two nitrogen species, namely ammonia and nitrate. Consider the atomic weight of N, H, and O as 14 g/mol, 1 g/mol, and 16 g/mol respectively. In this wastewater, the concentration of ammonia is 34 mg NH3/liter and that of nitrate is 6.2 mg NO3-/liter. The total nitrogen concentration in this wastewater is _______ milligram nitrogen per liter. (round off to one decimal place)
Correct : 30.3 to 30.3
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