Workshop CHE 168
Answers for
Problem Set #7
 
 

1.

(a) No/neither/neutral
(b) Yes/F^- /basic
(c) No/neither/neutral
(d) Yes/OCl^- /basic
(e) Yes/both/acidic
(f) Yes/HPO₄^2- /basic

2. 9.26

3. 0.031 M

4. 2.2 M KNO_{2 (aq)}

5. H₂SO_{4 (aq)}  <  HNO_{3 (aq)}  <  HC₂H₃O_{2 (aq)}  <  NH₄ClO_{4 (aq)}  <  NH₄C₂H₃O_{2 (aq)}  <   NaNO_{2 (aq)}  <   NH_{3 (aq)}  <   NaOH _(aq)  <   Ba(OH)_{2 (aq)}

6. 11.45; 0.56%

7. 0.0036 M

8. 0.62 mol

9. basic

10. [CHO₂^- ] = 9.0 x 10^-5 M; pH = 1.00

11. 3.77

12.

(a) 0.36 mol
(b) 0.13 M

13. 1.5 x 10^-3 mL

14. 4.98

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