what is equivalent mass of base
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Equivalent mass of a base is the number of parts by mass of the base
which contains one replaceable hydroxyl ion or which completely neutralises one gram equivalent of an acid. The number of hydroxyl ions present in one mole of a base is known as the acidity of the base. Sodium hydroxide, potassium hydroxide, ammonium hydroxide are examples of monoacidic bases.
Calcium hydroxide is a diacidic base
In general,
equivalent mass of a base = molar mass of the base / acidity of the base
Equivalent mass of KOH = 56 /1 = 56
which contains one replaceable hydroxyl ion or which completely neutralises one gram equivalent of an acid. The number of hydroxyl ions present in one mole of a base is known as the acidity of the base. Sodium hydroxide, potassium hydroxide, ammonium hydroxide are examples of monoacidic bases.
Calcium hydroxide is a diacidic base
In general,
equivalent mass of a base = molar mass of the base / acidity of the base
Equivalent mass of KOH = 56 /1 = 56
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