Ammonium Hydroxide

Ammonium Hydroxide
Chemical FormulaNH4OH
Formula Weight35.05
Equivalent Weight35.05 (Molar = Normal)
CAS No.1336-21-6

Ammonium Hydroxide is a weak base in terms of chemical ionization, and solutions of it can be assayed with a standardized solution of a strong acid, such as Hydrochloric Acid or Sulfuric Acid. The endpoint can be determined potentiometrically or by using an indicator that changes color in the pH range 4 - 6. Methyl Red is a suitable indicator.

A 1 Normal (Molar) solution of Ammonium Hydroxide contains approximately 68 mL of concentrated Ammonium Hydroxide per liter.

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