2.1 – 2.14 The solutions for these problems are the solutions for problems 2.1 – 2.14 in
the 2nd edition Solutions Manual.
2.15 EDTA (C10N2O8H16) has a molecular weight of 292 g/mole
2.16 The balanced equation is: 2Al0 + 6HCl → 2AlCl3 + 3H2 (g)
2.17 – 2.21 The solutions for these problems are the solutions for problems 2.15 – 2.19 in
the 2nd edition Solutions Manual.
2.22 From Table 2.3, Ksp,CaSO4 is 2 x 10-5 and Ksp = [Ca2+] [SO42-] = [SO42-]2
2.23 Assume a closed system.
a. [Ca2+] = Ctot = [H2CO3] + [HCO3–] + [CO32-] eqn. 1
c.
2.24 – 2.36 The solutions for these problems are the solutions for problems 2.20 – 2.32 in
the 2nd edition Solutions Manual.