Randy Holmes-Farley
Reef Chemist
View BadgesStaff member
Super Moderator
Excellence Award
Expert Contributor
Article Contributor
R2R Research
My Tank Thread
- Joined
- Sep 5, 2014
- Messages
- 67,535
- Reaction score
- 63,984
Reef Chemistry Question of the Day [HASHTAG]#150[/HASHTAG]
Water will evaporate slowest from which of the following solutions, assuming they are all equally exposed to the same air at the same temperature?
A. Pure fresh RO/DI water at 0 ppm TDS.
B. Tap water at 145 ppm TDS
C. Hyposaline seawater used to treat fish, with a specific gravity of 1.009
D. Seawater at 35 ppt salinity
E. The calcium part of a two part system that has a calcium concentration of 37,000 ppm calcium.
Bonus: explain why.
Good luck!
.
Water will evaporate slowest from which of the following solutions, assuming they are all equally exposed to the same air at the same temperature?
A. Pure fresh RO/DI water at 0 ppm TDS.
B. Tap water at 145 ppm TDS
C. Hyposaline seawater used to treat fish, with a specific gravity of 1.009
D. Seawater at 35 ppt salinity
E. The calcium part of a two part system that has a calcium concentration of 37,000 ppm calcium.
Bonus: explain why.
Good luck!
.