Spent months tinkering with 23andMe V4 chip, like a bored mechanic on a cold Sunday. Every time I hit upload it throws a sample too low error, as if m
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SystematicKoala986• 7 karma
about 2 months ago
Why did my orange chromate solution clear up after a day?
I was mixing a 1 M sodium chromate solution, but I mixed it in a 250 mL flask and added the wrong amount of water. The first evening the color was a bright orange, but when I checked it again the next day it was almost colorless, with no crystal growth.
I set up the solution in a clean beaker, capped it, and left it overnight in a dim room. My only variables were the volume and the mixing speed; I didn’t add any extra reagents.
What’s happening to my chromate here? Am I mis‑calculating solubility, or is there some precipitation/oxidation happening that I’ve overlooked? I’d appreciate a quick explanation or pointers to the key literature to figure out where I went off track.
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