p. 621 #30-32
Study Guide
Finish Lab
Some answers:
#30: 0.220M, #31: 0.2167M, #32: 1.178M
Study guide book answers:
#87b: 7.7x10^-13M, #88b: 10.24, #89b: pOH=1.89 and pH=12.11, #90c: 11.87, #90d: 13.64
#95: 0.5015M, #96: 0.1738M, #97a: [H+]=1.0x10^-3M, [OH-]=1.0x10^-11M
#97b: [H+]=5.8x10^-6M, [OH-]=1.7x10^-9M
#100: 475mL, #101: 4.63
Print out Redox Notes
Optional practice problems:
Ka expression practice: p. 884 #7-10 (for #8, there is a typo. It is supposed to be a subscript 3, not superscript)
pH practice: p. 884 #11-19
Ka practice: p. 616 #23ab, p. 632 #91, 92, p. 884 #21
Optional practice problems selected answers:
p. 884
11: acidic
12: acidic
13: 3.35
14: pH=11.94, pOH=2.06
15: pH=5.57, pOH=8.43
16: 0.0012M
17: 0.36M
18: 3.17
19: 9.53
Ka stuff:
p. 616
23a: 0.0054
23b: 0.011
p. 632
91: 0.0069
92: 0.0014
p. 884
20: 2.2x10^ -9
21: 1.4 x 10^ -5