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Topic: strong ammonia solution from ammoniium chloride  (Read 4560 times)

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Offline Tinker

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strong ammonia solution from ammoniium chloride
« on: September 30, 2011, 08:04:27 AM »
Can I make a strong ammonia solution, say 20%, from ammonium chloride? It imagine it has to react with something to turn it alkaline. Been a long time since chemistry lessons. ???
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Offline Dan

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Re: strong ammonia solution from ammoniium chloride
« Reply #1 on: September 30, 2011, 10:13:13 AM »
If you add a base that is stronger than ammonia (e.g. NaOH), you will generate ammonia from ammonium chloride, as well as a salt - so you can make a salty ammonia solution.

NH4Cl(aq) + NaOH(aq) ::equil:: NH3(aq) + H2O(l) + NaCl(aq)
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Offline Tinker

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Re: strong ammonia solution from ammoniium chloride
« Reply #2 on: October 03, 2011, 12:23:40 AM »
Thanks for the reply Dan.
I have some ammonium chloride and was hoping to help turn it into a a copper dissolving mixture to clean gun barrels. It obviously must not harm the barrel.
Cheers
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Offline vmelkon

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Re: strong ammonia solution from ammoniium chloride
« Reply #3 on: November 25, 2011, 02:02:00 PM »
You can produce ammonia (gas) and you mix NH4Cl and Ca(OH)2 and heat it. Lead the gas into water and you'll have a ammonia solution.
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