A 4.0 molar sulphuric acid solution (SG = 1.2) is prepared by mixing two aqueous sulphuric acid solutions A and B together: Sulphuric acid solution A: 20 wt% H₂SO4 (SG = 1.1) Sulphuric acid solution B: 60 wt% H₂SO4 (SG = 1.5) Assume the density of pure water is 1,000 kg/m³. Atomic weight of H, S and O are 1, 32, 16 g/mol, respectively. a) Calculate the mass fraction of sulphuric acid in the product solution. b) Use 100 kg of Solution A as a basis, draw a flowchart of this process and perform the degree-of-freedom analysis. c) Calculate the volumetric feed ratio (i.e., litres of Solution A/litres of Solution B).

A 4.0 molar sulphuric acid solution (SG = 1.2) is prepared by mixing two aqueous sulphuric acid solutions A and B together: Sulphuric acid solution A: 20 wt% H₂SO4 (SG = 1.1) Sulphuric acid solution B: 60 wt% H₂SO4 (SG = 1.5) Assume the density of pure water is 1,000 kg/m³. Atomic weight of H, S and O are 1, 32, 16 g/mol, respectively. a) Calculate the mass fraction of sulphuric acid in the product solution. b) Use 100 kg of Solution A as a basis, draw a flowchart of this process and perform the degree-of-freedom analysis. c) Calculate the volumetric feed ratio (i.e., litres of Solution A/litres of Solution B).

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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Concept explainers

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

A 4.0 molar sulphuric acid solution (SG = 1.2) is prepared by mixing two aqueous sulphuric
acid solutions A and B together:
Sulphuric acid solution A: 20 wt% H₂SO4 (SG = 1.1)
Sulphuric acid solution B: 60 wt% H₂SO4 (SG = 1.5)
Assume the density of pure water is 1,000 kg/m³. Atomic weight of H, S and O are 1, 32, 16
g/mol, respectively.
a) Calculate the mass fraction of sulphuric acid in the product solution.
b) Use 100 kg of Solution A as a basis, draw a flowchart of this process and perform the
degree-of-freedom analysis.
c) Calculate the volumetric feed ratio (i.e., litres of Solution A/litres of Solution B).

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