Answers to Problems of the A Groups
443
(e) 0.870 M, 0.954m
(f) 0.834 M, 0.862 m
4. (a) 1.59 g
(b) 0.703 g
(c) 0.182 g
(d) 0.173 g
5. 23.0%
6. (a) 90.1%
(b) 144m
7. 4.2 M
8. 767 ml
9. (a) 23.5%
(b) 1.01 m
10. 0.1688 M
11. 0.4812 M
12. 0.2151 M
13. 36.22 ml
14. 0.06563 M
(g) 0.535 M, 0.534m
(h) 0.805 M, 0.824m
(e) 0.203 g
(f) 486 g
(g) 74.3 g
15. 4.930%
16. 50.37 ml
17. 44.0%
18. 71.37%
19. (a) 0.86 g
(b) 0.35 g
(c) 25 ml
20. 51.3 ml
21. 54.0 ml
22. (a) 162 g Ag, 333 ml HNO 3
(b) 13.4 liters NO
23. 32.77%
CHAPTER 14
1. (a) 0.193 cal/g °C
(b) 0.0948 cal/g °C
(c) 0.0446 cal/g °C
2. 56.7°C
3. 27.1
0 C
4. 35.1°C
5. 0.0°C
9. (a) 0.818 cal/g °C
(b) 0.917 cal/g °C
(c) Pbfo, + 2I<-,> -» PbI 2(sl
A# = -15.5 kcal/mole
10. (a) X 2 0 3
11. (a) YC1 3 and YC1 5
(d) 0.0260 cal/g °C
(e) 0.0299 cal/g °C
6. 93.7 g/mole
7. 0.319 cal/g °C
8. 41.7cal/°C
(d) KBrO ;)(s) + aq -> K ( + M) 4
A# = +9.83 kcal/mole
(e) C 7 H 7 I (S) -» C 7 H 7 I <;)
A# f = +4.08 kcal/mole
(b) 51.00 g/mole
(b) 121.4 g/mole
BrO 3(09)
12. (a) A//° = -4.62 kcal = -19.33 kj; AE° = -4.03 kcal
(b) A//° = -216.24 kcal = -904.75 kj; A£° = -216.83 kcal