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How to determine the equivalent mass of a metal using hydrogen displacement method ?

How to determine the equivalent mass of a metal using hydrogen displacement method ?

Grade:9

1 Answers

nath
122 Points
7 years ago
Hi ! jeeva,
     HYDROGEN DISPLACEMENT METHOD :The mass of metal which displaces 11200 ml of hydrogen at NTP from an acid,alkali or alcohol is the equivalent mass of a metal.
Equivalent mass (mass given )
                      Mass of metal/Mass of H2 displace x1.008 = W/m x 1.008
 
 
Equivalent mass (volume given)
                      Mass of metal/volume(ml) of H2 displace x 11200=w/v x 11200
This method is used for metal which can displace H2 from acid or can combine with H2 (Mg,Zn,Ca etc).
Hope you understand,
ALL the Best !

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