A reaction mixture initially contains 0.250 mol of Zns and 0.250 mol of O2. After the mixture has reacted completely, how many moles of the excess reactant are left? 2 2ZnS(s) +30g)2ZnO(s)+ 2S0-(g)
(A) 0.083 mol ZnS
(C) 0.125 mol O
(B) 0.167 mol Zns
(D) 0.250 mol O2

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

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