A chemist attempts to prepare some very pure crystals of borax (sodium tetraborate, Na2B407 10 H20) by dissolving 100 g of Na2B407 in 200 g of boiling water. He then carefully cools the solution slowly until some Na2B407 10 H20 crystallizes out. Calculate the grams of Na2B407 10 H20 recovered in the crystals per 100 g of total initial solution (Na2B407 plus H2O), if the residual solution at 55°C after the crystals are removed contains 12.4% Na2B407

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
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A chemist attempts to prepare some very pure crystals of
borax (sodium tetraborate,
Na2B407
• 10 H20) by dissolving 100 g of Na2B407
in 200 g of boiling water. He then
carefully cools the solution slowly until some Na2B407
10 H20 crystallizes out. Calculate
the grams of Na2B407
10 H20 recovered in the crystals per 100 g of total initial
solution
(Na2B407 plus H20), if the residual solution at 55°C after
the crystals are removed
contains 12.4% Na2B407
Transcribed Image Text:A chemist attempts to prepare some very pure crystals of borax (sodium tetraborate, Na2B407 • 10 H20) by dissolving 100 g of Na2B407 in 200 g of boiling water. He then carefully cools the solution slowly until some Na2B407 10 H20 crystallizes out. Calculate the grams of Na2B407 10 H20 recovered in the crystals per 100 g of total initial solution (Na2B407 plus H20), if the residual solution at 55°C after the crystals are removed contains 12.4% Na2B407
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