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Aufbau principle is not satisfied by:
(1) Cr and Cl
(2) Cu and Ag
(3) Cr and Mg
(4) Cu and Na
Ans: Cu and Ag
how much glucose C6H12O6 you need to start with to prepare 4.6 times 10 to power 4 Kg of C2H5OH if the yield in the reaction is %64.5 C6H12O6+3O2= 4CO2+C2H5oh+3H2O
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