Questions from General Chemistry

Q: The homogeneity of the chloride level in a water sample from a

The homogeneity of the chloride level in a water sample from a lake was tested by analyzing portions drawn from the top and from near the bottom of the lake, with the following results in ppm Cl: a....

Q: For a solution in which m 5 6.5 3 1022

For a solution in which m 5 6.5 3 1022, calculate K9sp for a. AgSCN. b. PbI2. c. La1IO323. d. MgNH4PO4.

Q: Use activities to calculate the molar solubility of Zn1OH22 in a

Use activities to calculate the molar solubility of Zn1OH22 in a. 0.0150 M KCl. b. 0.0250 M K2SO4. c. the solution that results when you mix 40.0 mL of 0.250 M KOH with 60.0 mL of 0.0250 M ZnCl2. d....

Q: Calculate the solubilities of the following compounds in a 0.0275

Calculate the solubilities of the following compounds in a 0.0275 M solution of Mg1ClO422 using (1) activities and (2) molar concentrations: a. AgSCN. b. PbI2. c. BaSO4. d. Cd2Fe1CN26.

Q: Calculate the solubilities of the following compounds in a 0.0167

Calculate the solubilities of the following compounds in a 0.0167 M solution of Ba1NO322 using (1) activities and (2) molar concentrations: a. AgIO3. b. Mg1OH22. c. BaSO4. d. La1IO323.

Q: Calculate the % relative error in solubility by using concentrations instead of

Calculate the % relative error in solubility by using concentrations instead of activities for the following compounds in 0.0350 M KNO3 using the thermodynamic solubility products listed in Appendix 2...

Q: Calculate the % relative error in hydronium ion concentration by using concentrations

Calculate the % relative error in hydronium ion concentration by using concentrations instead of activities in calculating the pH of the following buffer solutions using the thermodynamic constants fo...

Q: Design and construct a spreadsheet to calculate activity coefficients in a format

Design and construct a spreadsheet to calculate activity coefficients in a format similar to Table 8-2. Enter values of aX in cells A3, A4, A5, and so forth, and enter ionic charges in cells B3, B4, B...

Q: Make a distinction between a. activity and activity coefficient.

Make a distinction between a. activity and activity coefficient. b. thermodynamic and concentration equilibrium constants.

Q: Describe the preparation of a. 1.00 L of

Describe the preparation of a. 1.00 L of 0.150 M KMnO4 from the solid reagent. b. 2.50 L of 0.500 M HClO4, starting with a 9.00 M solution of the reagent. c. 400 mL of a solution that is 0.0500 M i...