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In the manufacture of nitric acid, pure dry sodium nitrate is treated with 95% (weight) sulphuric acid. 2NaNO3 + H₂SO4 → 2HNO3 + Na₂SO4 Acid is supplied in excess to ensure that the resulting nitre cake is liquid containing 35% sulphuric acid by weight. The cake contains 1.5% water by weight. In addition 2% of the nitric acid formed will remain with the cake. For a basis of 100 kg of sodium nitrate treated, calculate the following: (a) The weight and composition of the nitre cake (b) The weight of sulphuric acid to be used

In the manufacture of nitric acid, pure dry sodium nitrate is treated with 95% (weight) sulphuric acid. 2NaNO3 + H₂SO4 → 2HNO3 + Na₂SO4 Acid is supplied in excess to ensure that the resulting nitre cake is liquid containing 35% sulphuric acid by weight. The cake contains 1.5% water by weight. In addition 2% of the nitric acid formed will remain with the cake. For a basis of 100 kg of sodium nitrate treated, calculate the following: (a) The weight and composition of the nitre cake (b) The weight of sulphuric acid to be used

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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In the manufacture of nitric acid, pure dry sodium nitrate is treated with 95% (weight) sulphuric acid. 2NaNO3 + H₂SO4 → 2HNO3 + Na₂SO4 Acid is supplied in excess to ensure that the resulting nitre cake is liquid containing 35% sulphuric acid by weight. The cake contains 1.5% water by weight. In addition 2% of the nitric acid formed will remain with the cake. For a basis of 100 kg of sodium nitrate treated, calculate the following: (a) The weight and composition of the nitre cake (b) The weight of sulphuric acid to be used
Transcribed Image Text:In the manufacture of nitric acid, pure dry sodium nitrate is treated with 95% (weight) sulphuric acid. 2NaNO3 + H₂SO4 → 2HNO3 + Na₂SO4 Acid is supplied in excess to ensure that the resulting nitre cake is liquid containing 35% sulphuric acid by weight. The cake contains 1.5% water by weight. In addition 2% of the nitric acid formed will remain with the cake. For a basis of 100 kg of sodium nitrate treated, calculate the following: (a) The weight and composition of the nitre cake (b) The weight of sulphuric acid to be used
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