Hybrid orbitals, molecular structure, and making solutions
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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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Solution Summary
In this solution we consider two separate concepts. First, we determine the orbital hybridization of 5 different covalent compounds and predict their molecular structure. Then we work on three different problems dealing with the makeup of solutions. First we demonstrate the concept of a % w/w solution and solve, and then there are two dilution problems we consider with the help of a specific formula. Don't miss this one if you are having trouble with any of these concepts!
Solution Preview
A) Only covalent bonds have hybridized orbitals, so no hybridization for SrCl2
B) NO2 has a double bond with one of the oxygens, so sp2 hybridized
C) COF2 ...
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