Supersaturated salt solution help, please.
August 23, 2011 1:46 PM Subscribe
How do I make a 6M NaCl solution? It Won't Go Into Solution.
posted by oreonax to Science & Nature (6 answers total)
So, I've added the requisite 70.13g of NaCl into roughly 200 mL of ddH2O slowly and it worked for the majority of the salt. The last bit I tipped in after it had gone into solution just won't go! I've spun it on a slightly warm hotplate all night, it has come to a boil for at least 30-45 minutes (while spinning) and I'm at a loss. Clearly there has been some evaporation, so I'll be adding some more water but I have little hope that will work as I tried that earlier this morning.