A 10.0 mole% aqueous sulfuric acid solution (SG = 1.27) is to be titrated to neutrality at
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A 10.0 mole% aqueous sulfuric acid solution (SG = 1.27) is to be titrated to neutrality at 25°C with a 3.00-molar caustic soda (sodium hydroxide) solution (SG = 1.13): H2SO4 (aq) + 2 NaOH (aq) Na2SO4 (aq) + 2 H2O (l)
(a) Calculate the required volume ratio (cm3 caustic solution lcm3 acid solution).
(b) Calculate the standard heats of formation (kJ/mol solute) of each of the three solutions involved in this process and the heat released (kJ/crn3 acid solution neutralized) if the reactants and products are all at 25°C. The heat of solution of sodium sulfate is – 1.17 kJ/mol. Assume that Q = ΔH for the process.
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Related Book For
Elementary Principles of Chemical Processes
ISBN: 978-0471720638
3rd Edition
Authors: Richard M. Felder, Ronald W. Rousseau
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