One gram of metal in which district of. 06 combined with o2 to form 1.08 gram of its oxide what is the atomic mass of maetal
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Given:
Specific heat = 1 J/gK
= 0.22 cal/g/mol
Equivalent weight = 9
By using Dulong Petit law,
Approximate atomic mass = 6.4 / Specific heat
=6.4/ 0.22
= 29.09 g
Valency = Approximate atomic mass / Equivalent weight
= 29.09 / 9
= 3.23
=3
Exact atomic weight = Equivalent weight × Valency
= 9× 3
= 27
Exact atomic weight of metal is 27 g.
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