• 1. Compounds of Sc3+ are not colored, but those of Ti3+ and V3+ are colored. Explain why?

• formula for hydrated salt ZnSo4

• Lewis structures HClO3

• 2. Using a partial orbital diagram, show how the transition metals atomic orbitals lead to hybridization on Fe(CN)63- 3. Using Crystal Field Theory, determine how many unpaired electrons are in the following complex ions: (a) [Ru(NH3)6]2+ (b) Ni(H2O)62+

• Calculate the effective charges on I and Br in Ibr

• what is the lewis structure of K2SO4

• A mixture of 8.50 g He and 26.5 g Ne has a pressure of 880. mm Hg. What is the partial pressure of each of the gases?

• draw a carbon skeleton of 3-methyl heptane

• I have all the answers can you give me them so i can double check?

• calculate the expected pH value of the buffer system 5mL .1M CH3COOH + 5mL .1M CH3COO-Na+ using the henderson-hasselbalch equation using the pKa values: carbonic acid= 6.37 and acetic acid=4.75

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