Calculating the pH of a solution after a base is added to an acid.

25.00mL of 0.50M NaOH is titrated with 0.50M HCl. What is the pH of the solution after 50.00mL of HCl has been added?

Writing chemical formulas.

What is the correct formula for a nickel(II) complex which contains 4 ammonia molecules and 2 water molecules?

Identifying ligands and their charges.

Identify the ligands and their charges in Co(en)2(CN)2+.

Determining the number of unpaired electrons in a complex ion.

Determine the number of unpaired electrons in an octahedral, high-spin iron(III) complex ion.

Determining the number of unpaired electrons in a strong-field complex ion.

Determine the number of unpaired electrons in an octahedral, strong-field Co(exponent positive 2) complex ion.

Calculating the maximum absorbance of light given a crystal field splitting energy.

The crystal field splitting energy for TiF6^-3 is 203 kJ/mol. At what wavelength does the maximum absorbance of light occur for this complex?

formation constant

The formation constant for Cu(NH3)4(exponent 2 positive) is 2x10(exponent 12). What is the ratio of Cu(NH3)4(exponent 2 positive) to Cu(exponent 2 positive) in 0.1M NH3?

dissolution

What is the chemical equation that describes the dissolution of silver bromide in water?

Calculating an equilibrium constant expression.

What is the equilibrium constant expression for dissolving calcium carbonate in water?

Calculating the equilibrium constant for gases sealed in a flask.

Nitrosyl chloride decomposes according to the chemical equation below: 2NOCl(g) <--> 2NO(g)+Cl2(g) 0.600atm of nitosyl chloride is sealed in a flask and allowed to reach equilibrium. If 27.0% of the NOCl decomposes, what is the equilibrium constant for the reaction?