Question 3 Mixed acid is prepared by blending : (i) 125 kg, spent acid containing 11.3% HNO3, 44.4% H2SO4 and 44.3% H2O (ii) 475 kg agueous 92% HNO and

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
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Question 3
Mixed acid is prepared by blending :
(i)
125 kg, spent acid containing 11.3% HNO3, 44.4% H,SO4
and 44.3% H2O
(ii) 475 kg, aqueous 92% HNO3 and
(iii) 900 kg, aqueous 97% H,SO4.
All percentages are by mass. Calculate the quantity and composition
of the mixed acid.
[8]
Transcribed Image Text:Question 3 Mixed acid is prepared by blending : (i) 125 kg, spent acid containing 11.3% HNO3, 44.4% H,SO4 and 44.3% H2O (ii) 475 kg, aqueous 92% HNO3 and (iii) 900 kg, aqueous 97% H,SO4. All percentages are by mass. Calculate the quantity and composition of the mixed acid. [8]
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