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Grade Select GradePhysical Chemistry

1g Mg is burnt in a closed which contains 0.5gO2: a.which reactant is left in exess

Profile image of aradhya singh
9 Years agoGrade Select Grade
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1 Answer

Profile image of Vikas TU
9 Years ago
The Reaction would go like:
2Mg + O2   ===> 2MgO
 
moles/stiochiometric => (1/24)/2 => 1/48 for Mg
and 0.5/32 => 1/64 for O2
Therfore, Mg has greater amount therefore it would be left out ssome as it is in excess aamount.