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Answer: Calculate the molalities of the following aqueous
Chapter 12, Problem 19P(choose chapter or problem)
Calculate the molalities of the following aqueous solutions:
(a) 1.22 M sugar (\(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}\)) 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 \(\mathrm{NaHCO}_{3}\) solution (density of solution = 1.19 g/mL).
Questions & Answers
QUESTION:
Calculate the molalities of the following aqueous solutions:
(a) 1.22 M sugar (\(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}\)) 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 \(\mathrm{NaHCO}_{3}\) solution (density of solution = 1.19 g/mL).
ANSWER:Step 1 of 5
Molality
Molality is used to express the concentration of a solution.
The ratio of the number of moles of a solute to the mass of solvent in kilograms is termed as the molality of the solution.