Oxidul unui metal divalent contine 20% oxigen.Identifica metalul!

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Grade: Education Subject: chimie
Oxidul unui metal divalent contine 20% oxigen.Identifica metalul!
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MeO
16·100/M = 20 ⇒ M = 80
A + 16 = 80 ⇒ A Me = 64      Me = Cu