Answers To Final Exam Review Handout

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-] = 2.22E-10M

6. 1.72ml

7. Conjugate acid : NH₄¹⁺ , H₂SO₃ , HCO₃^1-
Conjugate base : OH^1- , HCO₃^1-
Oxidation number of S = +4

8. 9.8E-3 moles

9. 0.11 liter

10. 147g

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. S^2- - 1s²2s²2p⁶3s²3p_x²3p_y² 3p_z²
c. 44.6 liter O₂