Given the following information:
- hydrocyanic acid
- HCN
- Ka = 4.0×10-10
- nitrous acid
- HNO2
- Ka = 4.5×10-4
(1) Write the net ionic equation for the reaction that occurs when equal volumes of 0.236 M aqueous hydrocyanic acid and sodium nitrite are mixed. It is not necessary to include states such as (aq) or (s).
___________+________------->__________+__________
(2) At equilibrium the _________(reactants or products will be favored.)
(3) The pH of the resulting solution will be _________
- greater than
- equal to
- less than seven.