Answers to Sample Test 2

1.a. Kp = P²_H2OP²_SO2/P²_H2SP³_O2

    b. Kp = P_H2/P_HCl

2. Not at equilibrium (Q_p< K_p) Þ

3. P_NO = P_SO3 = 0.113; P_SO2 = P_NO2 = 0.012

4.a. No change

   b. Ü

   c. Þ

   d. Ü

5. [H⁺] = 2.9 x 10^-4, pH = 3.54, solution is acidic

6. pH = 4.03

7.a.  acidic

b.  basic

c.  acidic

d.  neutral

8. pH = 3.93, [H+] = 1.2 x 10^-4

9. pH = 10.99

10. . pH = 4.07

11. a.  pH = 3.64 b.  pH = 8.72

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