a) The proton concentration of a solution is 0.0005 mole/l. What is the pH of this solution?
b) The hydroxide ion concentration of a solution is 0.0005 mole/l, what is the pH of this solution?
a) The pKa value for hypochlorous acid is 7.45, what is Ka value for the same acid?
b) The Ka value for acetic acid is 10-4.75, what is the pKa value for the same acid?
Examine dissociation of acetic acid (CH3COOH) and hydrochloric acid (HCl) at pH 5 and 10. – –
Calculate [Cl ]/[HCl] and [Ac ]/[HAc]
a) What is the oxidation states of sulfur in SO42- and HS- ? b) Balance the following redox reaction use the half reactions (you have to develop
the half reactions to get full credit)
SO42- + H+ + CH2O HS- + CO2 + H2O
SO42- + H+ + 2CH2O HS- + 2CO2 + 2H2O In above balanced redox reaction, list the following: