Randy Holmes-Farley
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My Tank Thread
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Suppose that the water in a reef aquarium has a nitrate concentration of 50 ppm and a new batch of artificial seawater at the same temperature has no nitrate in it. If 10% of the water in the aquarium is replaced by the new water, the final nitrate in the aquarium will be closest to which of the following values?
A. 48 ppm
B. 45 ppm
C. 25 ppm
D. Not enough information is provided to properly answer
Good luck!
.
A. 48 ppm
B. 45 ppm
C. 25 ppm
D. Not enough information is provided to properly answer
Good luck!
.