Aluminium cans melted by acid and base chemicals

MarineGunrocksays...

So I tried this at work today. Used 300 - 400 mL of Sodium Hydroxide. After an hour, the most I got out of it was a little bit of bubbling. Either the molarity of their solution was a lot higher, or this was photoshopped!

Psychologicsays...

It didn't "melt" the cans... that implies a state change, not a chemical reaction.

Anyway, I recently tried something similar with a penny and 12M HCl. There was some reaction with the copper plating (which surprised me), but it vigorously attacked the zinc core leaving a soft hollow shell.


Edit: Also, I'm pretty sure the reaction in the video produces Aluminum Hydroxide, not Sodium Aluminate.

Shepppardsays...

I'd also get "Aluminum" in the tags there, too. I believe it's just a British thing to say "Aluminium" whereas the rest of the world says it "Aluminum", just a way to stave off dupes.

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