A spent 1.0 percent caustic soda solution (ρNaOH = 8.42 lb/gal) with a volumetric flow rate of 3.0 gpm is to be neutralized using either sulfuric acid or hydrochloric acid. First, determine the mass flow rate (lb/day) of NaOH in the spent caustic soda solution, and then use that value to determine the stoichiometric amounts (lb/day) of: 1. H2SO4 required for neutralizing the OH− ions contributed by the spent caustic soda. [Hints: (1) write the balanced chemical equation for the acid-base reaction between NaOH and H2SO4, and use it to establish the stoichiometric weight ratio H2SO4 : NaOH.] 2. HCl required for neutralizing the OH− ions contributed by the spent caustic soda. [Hints: (1) write the balanced chemical equation for the acid-base reaction between NaOH and HCl and use it to establish the stoichiometric weight ratio HCl : NaOH.]
A spent 1.0 percent caustic soda solution (ρNaOH = 8.42 lb/gal) with a volumetric flow rate of 3.0 gpm is to be neutralized using either sulfuric acid or hydrochloric acid. First, determine the mass flow rate (lb/day) of NaOH in the spent caustic soda solution, and then use that value to determine the stoichiometric amounts (lb/day) of: 1. H2SO4 required for neutralizing the OH− ions contributed by the spent caustic soda. [Hints: (1) write the balanced chemical equation for the acid-base reaction between NaOH and H2SO4, and use it to establish the stoichiometric weight ratio H2SO4 : NaOH.] 2. HCl required for neutralizing the OH− ions contributed by the spent caustic soda. [Hints: (1) write the balanced chemical equation for the acid-base reaction between NaOH and HCl and use it to establish the stoichiometric weight ratio HCl : NaOH.]
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A spent 1.0 percent caustic soda solution (ρNaOH = 8.42 lb/gal) with a volumetric flow rate of 3.0
gpm is to be neutralized using either sulfuric acid or hydrochloric acid. First, determine the mass
flow rate (lb/day) of NaOH in the spent caustic soda solution, and then use that value to
determine the stoichiometric amounts (lb/day) of:
1. H2SO4 required for neutralizing the OH− ions contributed by the spent caustic soda.
[Hints: (1) write the balanced chemical equation for the acid-base reaction between
NaOH and H2SO4, and use it to establish the stoichiometric weight ratio H2SO4 : NaOH.]
2. HCl required for neutralizing the OH− ions contributed by the spent caustic soda. [Hints:
(1) write the balanced chemical equation for the acid-base reaction between NaOH and
HCl and use it to establish the stoichiometric weight ratio HCl : NaOH.]
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