1 Balance the following equations for
the amphoteric substance Al(OH)3.
a) Al(OH)3 + 3HCl --->
b) Al(OH)3 + NaOH --->
2 Balance the following equations and
identify the acid (A), base (B), conjugate acid (CA), and conjugate base
(CB).
a) H2SO4 + 2NH3 --->
b) 2HCl + CaO --->
c) H3PO4 + Mg(HCO3)2 --->
d) NH4Cl + NaC2H3O2 --->
3 Determine whether the following are
strong (S), weak (W), or non-electrolytes (N).
a) HC2H3O2 _____ b) NH4OH
_____
c) BaSO4 ______ d) MgCO3 _____
e) C12H22O11 ____ e) Na2S
_____
4 What is the pH of a .200 M solution of NaOH?
5 10.00 ml of HCl of unknown concentration
requires 24.28 ml of .1000 N Ba(OH)2 to reach the phynolphthalein
end point. What is the normality of the unknown base?
6 Hydrochloric acid reacts with Barium bicarbonate.
Write the unionized, total ionic and net ionic equation for this reaction.
a) 2HCl + Ba(HCO3)2 --->
b) 2H+ + 2Cl- + Ba+2 +
2HCO3- --->
c) H+ + HCO3- --->