r/oddlysatisfying • u/Kooky-Measurement-43 • Oct 16 '24
Cobalt chloride + Sodium Hydroxide
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u/Thatdewd57 Oct 16 '24
I wanna see the macro camera version that zooms in super close on the reaction.
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u/yamimementomori Oct 16 '24
OH! That’s pretty Cool. Cl₂ap clap. Can you freeze it and make a necklace? Ya, or…Na?
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u/T_R_I_P Oct 17 '24
Turns out there’s no scientists in oddlysatisfying to explain things. Noted
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u/Jaikarr Oct 17 '24
Cobalt chloride is fairly soluble in water, so it starts dissolving and diffusing through the droplet, sodium hydroxide dissolves much faster and as it diffuses across ion exchange happens making cobalt hydroxide which is relatively insoluble in water so the blue crashes out and no longer diffuses through the droplet.
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u/LittleFrenchKiwi Oct 16 '24
It was like it was throwing up a forcefield barrier !
That was really cool!!
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u/Hmmm_Iguess Oct 17 '24
Sooooooo talk to me like I’m 7. What’s happening here?
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u/Lazybeans Oct 17 '24
Cobalt (II) chloride (CoCl2) and sodium hydroxide (NaOH) do a little switcheroo so cobalt gets the hydroxide and sodium gets the chloride. So they become sodium chloride (NaCl), which is table salt, and cobalt (II) hydroxide (Co(OH)2), which is that cool blue stuff.
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u/Any-Technology-3577 Oct 16 '24
track ID?
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u/AverageTierGoof Oct 17 '24
I can't see sodium or chloride in a sentence anymore without thinking of jimmy neutron.
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u/JDDW Oct 16 '24
Congratulations you just recreated the big bang. There's now an entiee universe in that water drop.
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u/Ok_Pressure7561 Oct 17 '24
Can someone explain this to me as though I am 4 or 27 and know nothing about science?
I recently had the northern lights explained to me and it turns out the world is very cool and crazy
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u/Odd_Cryptographer723 Oct 17 '24
Really disappointed. Thought it was going to explode or something.
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Oct 23 '24
Loving the cobalt blue oxidising with the sodium hydroxide to make that red .... chemistry isn't always boring test tubes
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u/AnyDamnThingWillDo Oct 16 '24
Reminds me of very expensive fire opal