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Q.1 A mixer is used to produce 1500 kg/day of a hydrochloric acid (HCI) solution containing a) 8.1% HCl in water by mass. The mixing process is continuous and steady-state. Two raw materials enter the mixer: pure water and a concentrated HCl solution containing 76% HCl in water by mass. i. Draw a sketch of the system, including the system boundary. Choose a suitable basis, show all known masses and compositions and label all unknowns on the diagram. ii. State whether the system is open or closed and give the reason for your answer. ii. Calculate the mass flowrates of each raw material entering the mixer. iv. If you now wish to produce a more concentrated product, can this be done and if so how can a more concentrated product be formed? Justify your answer.

Q.1 A mixer is used to produce 1500 kg/day of a hydrochloric acid (HCI) solution containing a) 8.1% HCl in water by mass. The mixing process is continuous and steady-state. Two raw materials enter the mixer: pure water and a concentrated HCl solution containing 76% HCl in water by mass. i. Draw a sketch of the system, including the system boundary. Choose a suitable basis, show all known masses and compositions and label all unknowns on the diagram. ii. State whether the system is open or closed and give the reason for your answer. ii. Calculate the mass flowrates of each raw material entering the mixer. iv. If you now wish to produce a more concentrated product, can this be done and if so how can a more concentrated product be formed? Justify your answer.

Introduction to Chemical Engineering Thermodynamics
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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Q.1 A mixer is used to produce 1500 kg/day of a hydrochloric acid (HCI) solution containing а) 8.1% HCl in water by mass. The mixing process is continuous and steady-state. Two raw materials enter the mixer: pure water and a concentrated HCl solution containing 76% HCl in water by mass. i. all known masses and compositions and label all unknowns on the diagram. Draw a sketch of the system, including the system boundary. Choose a suitable basis, show i. State whether the system is open or closed and give the reason for your answer. ii. Calculate the mass flowrates of each raw material entering the mixer. iv. If you now wish to produce a more concentrated product, can this be done and if so how can a more concentrated product be formed? Justify your answer.
Transcribed Image Text:Q.1 A mixer is used to produce 1500 kg/day of a hydrochloric acid (HCI) solution containing а) 8.1% HCl in water by mass. The mixing process is continuous and steady-state. Two raw materials enter the mixer: pure water and a concentrated HCl solution containing 76% HCl in water by mass. i. all known masses and compositions and label all unknowns on the diagram. Draw a sketch of the system, including the system boundary. Choose a suitable basis, show i. State whether the system is open or closed and give the reason for your answer. ii. Calculate the mass flowrates of each raw material entering the mixer. iv. If you now wish to produce a more concentrated product, can this be done and if so how can a more concentrated product be formed? Justify your answer.
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