|AP Chemistry - Electrolytes Worksheet|
|1.||What is an electrolyte? What is a nonelectrolyte?
|2.||Define dissociation as it applies to ionic compounds that dissolve
in water. What does hydration mean?
|3.||Write equations for the dissocation of the following ionic compounds in water:|
|(a) LiCl, (b) BaCl2, (c) Al(C2H3O2)3,
(d) (NH4)2CO3, (e) FeCl3
|4.||Write equations for the dissocation of the following ionic compounds in water:|
|(a) CuSO4, (b) Al2(SO4)3,
(c) CrCl3, (d) (NH4)2HPO4, (e)
|5.||Write chemical equations that show what happens when these solid ionic compounds dissolve in water:|
|(a) MgCl2 (b) Al(NO3)2 (c) Na2CO3
|6.||What is the difference between a strong electrolyte and a weak
electrolyte? Formic acid, HCHO2, is a weak acid. Write a chemical
equation showing its reaction with water.
|7.||Write an equation showing the reaction of water with itself for
|8.||What is the apparent degree of dissociation of a solution prepared
by dissolving 0.0500 mole of Ca(NO3)2 is 500 g of water
if the solution behaves as if only 0.0785 mole of solute had dissociated?
|9.||If a 0.5 M solution of BaI2 is totally dissociated
into Ba2+ ions and I- ions, what is the molar concentration
of each ion?
|10.||One hundred mL of 0.40 M HNO3 is mixed with 400 mL of 0.50 M Ca(NO3)2. Assume both compounds are 100 percent dissociated. Find the concentration of these ions in solution.|
|a) H+ (H3O+), b) Ca2+, c) NO3-|
How many mg of metallic ions are in 1.0 mL of these solutions?
|a) 0.10 M LiNO3, b) 0.20 M CuSO4.5H2O, c) 0.50 M Al(NO3)3.|