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pallavi pradeep bhardwaj Grade: 12
        12g of an alkaline earth metal gave 14.8g of its nitride.Atomic wt of that metal is
8 years ago

Answers : (1)

Ramesh V
70 Points
										

let the metal be M with atmic wt. be x


so 3M + N2 ---->M3N2


      3x                   3x+28


 so,  12/3x   = 14.8/(3x+28)


which in solving for x gives 40


the metal is calcium and its nitride is Ca3N2


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Regards,

Ramesh

IIT Kgp - 05 batch

8 years ago
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