SOLUTIONS TO EXERCISES, LESSON 9
1.
pH = 3.40 (para 9-11)
2.
pH = 2.9 (para 9-11)
3.
pOH = 13.7 (para 9-12)
4.
pH = 12.4 (para 9-15)
5.
pH = 3.76 (para 9-23)
6.
pOH = 5.60 (para 9-23)
7.
pH = 8.40 (para 9-23)
8.
[salt] = 0.275 mol/L (para 9-23)
9.
[salt] = 0.012 mol/L
[acid] = 0.038 mol/L (para 9-23)
10.
a. [acid] = 0.000272 mol/L
[salt] = 0.0667 mol/L (para 9--23)
b. Acid = 0.0370 g
Salt = 9.47 g (lesson 3)
11.
a. [base] = 0.000261 mol/L
[salt] = 0.0117 mol/L (para 9--23)
b. 0.313 g (lesson 3)
c. 0.0172 mL (para 9-23 and lesson 8)
End of Lesson 9
MD0837
9-25