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Grade: 11 

                        
Cu 2 S and Ag 2 S isomorphous the percentage of sulphur in these compounds are 20.14% and 12.94% respectively. if the atomic weight of Cu is 63.5, calculate the atomic weight of Ag.
2 years ago

Answers : (1)

Bunny
15 Points 
							
At.wt of M in M2S /At.wt of Cu in Cu2S=
%of S in M2S / % of Cu in Cu2S
   = 12.94×63.5/20.14
   = 107.5
Atomic weight of M is silver (Ag)
 
9 months ago
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