Updated Answer To Final Exam Review Worksheet

1) 2 NaCl _(aq) + 1 Ag₂SO_{4 (aq)} --> 1 Na₂SO_{4 (aq)} + 2 AgC_l(s)
Cl^1- + Ag¹⁺ --> AgCl

2) 15.3g N₂

3) 0.0811 mole , 296mmHg

4) 9.70KJ given off (so you could put a negative sign to show this)

5) pH = 4.35 , [OH^1-] = 2.2E-10M

6) 1.72ml

7) Oxidation number of S = +4

8) 9.8E-3 moles

9) 0.11 liter

10) 3.87L

11. EF = H1O1 , MF = H2O2 , O% = 94.2% H% = 5.8%

12. 0.278 liter , does not float

13. 720.nm , Red

14. 1.13E4 M^-1

Part II

a) HNO₂
b) Calcium carbonate
c) SnCl₂
d. Trisulfur heptaphosphide

Part III
a. Cr - 1s²2s²2p⁶3s²3p⁶4s¹3d¹3d¹3d¹3d¹3d¹
b. S2- - 1s22s22p63s23px23py1 3pz1

Part IV
a. 1,11,8,6 Combustion b. 1,2,1,2 Double Replacement c. 44.6 liter O2 Part V 1. pH= 0.921 2. pH=12.38 3. [H+] = 8.91 x 10-5 M 4. [H+] = 4.0 x 10-6 M 5. 4.7 L of 0.200M HCl solution would required