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(NH4)2O

Ammonium oxide does not exist. Such a molecule will break down to water and ammonia

(NH4)2O -----> 2 NH3 + H2O

Added:Yes, I agree: Ammonium oxide does NOT exist!

Even the ammonium hydroxide, much better known as ammonia, doesn't exist.

Citation in wikipedia:

Ammonium hydroxide, also known as ammonia water, ammonical liquor, ammonia liquor, aqua ammonia, or aqueous ammonia, is a solution of ammonia in water. It can be denoted by the symbols NH3(aq). Although its name suggests a salt with composition [NH4+][OH−], it is not actually possible to isolate samples of NH4OH - it exists only in dilute aqueous solutions.

NH4+ is not an alkali metal, though it forms halogenides, nitrates and other salts like K+ and Na+.

In a 1M ammonia solution, about 0.42% of the ammonia is converted to ammonium, NH4+, equivalent to a pH of 11.63.

NH3 + H2O NH4+ + OH−.

The base ionization constant is

Kb = [NH4+][OH-]/[NH3] = 1.8×10−5

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15y ago

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