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1) What hybrid orbital would be expected for the central atom in each of the following: ? Draw the molecular structure of these compounds and label Ï? and Ï?bonds.
A: SrCl2
B: NO2
C: COF2
D: GeCl4
E: PBr3
2) Draw the possible isomers of SO3 ).
4) Prepare 25 gm of 2.5% w/w NaCl solution
5) Prepare 50 ml of 13% alcohol solution from 200 ml of 20% alcohol solution
6) Prepare 0.5 molar solution of C6H12O6from 5 molar solution

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