Friday, February 22, 2008

Day 5 - Homework Questions due Monday

Day 5–Organic Chemistry – Chemical Bonding & Stoichiometry

1. Which of the following compounds would you expect to be ionic: N2O, Na2O, CaCl2, SF4?

2. Which of the following compounds would you expect to be covalent:
CBr4, FeS, P4O6, PbF2?

3. Write the empirical formulas for the compounds formed by the following ions:

a) Na+ and PO43-

b) Zn2+ and SO42-

c) Fe3+ and CO32-

4. Calculate the formula weight of:

a) Al(OH)3

b) CH3OH

5. Calculate the molar mass of Ca(NO3)2.

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