Answered: Aluminum sulfate can be made by…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

Section: Chapter Questions

Problem 1.1P

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Question

Aluminum sulfate can be made by reacting crushed bauxite ore with sulfuric acid, according to the following equation:

Al₂O₃ + H₂SO₄ = Al₂(SO₄)₃ + H₂O

The bauxite ore contains 55.4% by weight of aluminium oxide, the remainder being impurities. The sulfuric acid solution contains 77.7% pure sulfuric acid, the remainder being water. To produce crude aluminium sulfate containing 1798 lb of pure aluminium sulfate, 1080 lb of bauxite ore and 2510 lb of sulfuric acid solution are needed.

a) Identify the excess reactant and limiting reactant.
b) What percentage of the excess reactant was consumed?
c) What was the degree of completion of the reaction?
d) Illustrate the Law of Conservation of Mass.

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