1) 2 NaCl (aq) + 1 Ag2SO4 (aq) --> 1 Na2SO4 (aq) + 2 AgCl(s)
Cl1- + 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 , [OH1-] = 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