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1 g of a metal carbonate gave 0.56g of its oxide on heating Determine the equivalent weight of metal

1 g of a metal carbonate gave 0.56g of its oxide on heating Determine the equivalent weight of metal

Grade:12

1 Answers

Sahil
15 Points
4 years ago
let metal carbonate be : MCO3 and metal oxide is MO
 
MCO3 ----> MO + CO2
 
1gm 0.56g
 
so the oxide is CaO (M.wt = 56) and metal carbonate is CaCO3 (M. wt = 100)
 
metal is Ca (M.wt = 40) and metal ion is Ca++
 
its eq. wt ( 40 /2 ) = 20

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