An unknown trivalent metal reacts with oxygen to form its oxide. If mass of the oxide formed is 25% more than the mass of metal taken then calculate atomic wt. of the metal.
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Answer:
96
Explanation:
Equivalent weight of metal = weight of metal
Equivalent weight of compound weight of compound
let atomic wight if element = x
equivalent weight= x/3 ( as it is trivalent)
equivalent weight of compound = moalr mass of compound
total charge on cation/anion
total charge on cation= 2*3=6 { M2O3}
= x/3 = x
(2x+ 48)/ 6 ( x+ x/4)
on solving x = 96
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