Water not bound in the hydrate, Chemistry

Assignment Help:

A water solution have 64% Na2S2O2  together with 1.0% soluble impurity.  Upon cooling to 5°C, Na2S2O2·5H2O. crystallizes out.  The solubility of this hydrate is 1.35 lb Na2S2O2·5H2O per lb free water (water not bound in the hydrate),  The crystals teke away carry as adhering solution 0.06 lb solution/lb crystals.  When dried to took away the remaining water (but not the water of
hydration), the ?nal dry Na2S2O2·5H2O crystals must not have more than 0.1% impurity.  To meet this speci?cation, the original solution, before cooling, is further diluted with water.  In order to make 1000 lb's of dry crystal (hydrated), how many pounds of feed are required?  (Hint:  This problem is best solved using a spreadsheet.   Help on the spreadsheet will be available
Thursday in recitation - but do not wait until then to attempt the problem!)   The spreadsheet will be graded on how well it solves the problem and the quality of presentation of the spreadsheet and the work.  (Additional hint, the problem is simpler to solve if you track some "pseudo" components such as "free" water or "hydrated" crystals.  Sketch a picture of the process breaking it into small steps.  Have the spreadsheet do the calculations for every step for all components, real and "pseudo".  By changing the amount of water you add at the start your spreadsheet should display you the results in the ?nal product.)


Related Discussions:- Water not bound in the hydrate

Choloroplatinic acid metod, A Chloroplatinic of a diacid base contain 39% o...

A Chloroplatinic of a diacid base contain 39% of platinum what is the molecular weight of the base

Elements, list the elements that have all 3 properties: lustre , malleabbil...

list the elements that have all 3 properties: lustre , malleabbility and conductivity

Ionisation enthalphy, what is the relevance of half filled and completely f...

what is the relevance of half filled and completely filled orbitals in ionisation enthalphy ditermination

Electronegativity and bond type, Electronegativity may be described as the ...

Electronegativity may be described as the power of an atom to attract electrons to itself in a chemical bond. It is the most important chemical parameter in calculating the type of

Transition elements, Why transition elements form interstitial compound

Why transition elements form interstitial compound

NMR, Shielding of proton by electrons

Shielding of proton by electrons

Energy cycle or metabolism - biomolecules, Energy cycle or metabolism A...

Energy cycle or metabolism A cell has small molecules that are denoted as micromolecules also large molecules that is denoted as macromolecules. The chemical equations of a liv

Why we use boron, Q. Why we use Boron? Boron is used to increase the ha...

Q. Why we use Boron? Boron is used to increase the hardness of steels. Crystalline boron is used in transistors. Boron is a good neutron absorber and is used as shields and con

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd