Answer to Question #97301 in General Chemistry for Archie

Question #97301

A metal (M) forms a compound with the formula MI2 . The compound contains 79.97% I by mass. Identify the metal in the compound? Give the symbol of the metal.

Expert's answer

M(MI2)=x+127·2=x+254

W(I)=127·2/(x+254)=0.7997

x=63.6. Cu

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