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Preparation of ammonia

   The seeds of sodium hydroxide in a flask with a side outlet (just twice pierced stopper with glass tube) přikapáváme of separating funnel 30% ammonium chloride solution. The emerging ammonia is purified by introducing the solution conc. sodium hydroxide solution and then to a drying tube with solid sodium hydroxide.

NH4Cl + NaOH --> NH3(g) + H2O + NaCl
Flask, drying, U-tube

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