Calculate the molalities of the following aqueous solutions:
(a) 1.22 M sugar (C12H22O11) solution (density of solution = 1.12 g/mL),
(b) 0.87 M NaOH solution (density of solution = 1.04 g/mL),
(c) 5.24 M NaHCO3 solution (density of solution = 1.19 g/mL).