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1.0 g of a metal oxide gave 0.2 g of met...

1.0 g of a metal oxide gave 0.2 g of metal. Calculate the equivalent weight of the metal.

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Weight of oxygen =1.0 -0.2=0.8g
Let the equivalent weight of metal (M) be E, Ew (oxygen)=8g
Equivalent of metal oxide= Equivalent of metal `("Weight of metal oxide")/(Ew(M)+EW(O))=("Weight of oxygen")/(Ew(O))`
`(1.0)/(E+8)=(0.8)/(0)=0.1, 0.1 (E+8)=1.0 rArr E=2`
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