What is Gram Equivalent mass ?
Number of parts by which an element combines with 1 part by mass of hydrogen, or 8 parts by mass of oxygen, or 35.5 parts by mass of chlorine, or one gram equivalent of any other element, is the value of the equivalent mass of the element.
List of formulae:
Practice questions:
Calculate equivalent mass of Metal in the following compounds :
Sodium Oxide
Potassium Oxide
Ferrous Oxide
Magnesium hydride
Aluminium hydride
Calculate the Equivalent mass of the following Acids and Bases.
Hydrochloric acid
Magnesium hydroxide
Zinc Oxide
Cupric hydroxide
Carbonic acid
Calculate the Equivalent mass of the following salts;
Cadmium chloride
Zinc Chloride
Mercuric chloride
Sodium Bromide
Aluminium Fluoride
Answers:
Calculate equivalent mass of Metal in the following compounds :
Sodium Oxide - 23 g
Potassium Oxide - 39 g
Ferrous Oxide - 27.92 g
Magnesium hydride - 12 g
Aluminium hydride - 9 g
Calculate the Equivalent mass of the following Acids and Bases.
Hydrochloric acid - 36.5 g
Magnesium hydroxide - 29.2 g
Zinc hydroxide - 49.75 g
Cupric hydroxide - 48.75 g
Carbonic acid - 31 g
Calculate the Equivalent mass of the following salts;
Cadmium chloride - 55.5 g
Zinc Chloride - 68 g
Mercuric chloride - 135.75 g
Sodium Bromide - 103 g
Aluminium Fluoride - 28 g
thanks
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