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Interpretation:
The mass percentages of given compounds should be determined.
Ion-Exchange Chromatography:
Ion-Exchange Chromatography is separation technique, which is work in the principle of exchanging of ions based on attraction to the ion exchanger.
It contains two phases, one is stationary phase and another one is mobile phase.
In generally resins are act as a stationary phase, the positively charged ion exchangers attract solute anions and negatively charged ion exchangers are attract solute cations.
The higher polar eluent is passed through a column the exchangers are releases the solute and they will come out from the column.
In this process, the stationary phase (ion exchangers) is exchange the solute ions into eluent ions therefore it is called as Ion-exchange chromatography.
Volumetric principle:
The volume and concentration of unknown solution is determined by it is titrate with known volume and concentration solution.
The volume and concentration of unknown solution is required equivalent volume and concentration of known solution in the volumetric titration.
Where,
Mole:
The product of molarity of solution and volume of solution to give a mole of solute that present in the solution.
Mass percentage:
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Answer to Problem 26.BE
The mass percentages of
Explanation of Solution
To determine the mass percentages of given compounds.
In ion-exchange chromatography, the mole of ions replaced is equal to the mole of ions present in the solute (sample). In cation-exchange column
In the cation exchange chromatography
From the above statements, the amount of
The total mole of the Mole of
Mole of
Mole of
From the above calculation, the mass of
The total mass of the sample is
Hence the mass percentages of
The calculated moles of the compounds are converted into grams and this gram mass of each compounds are plugged in the above equations to give the mass percentage of each compounds that present in given compound.
The mass percentages of given compounds that was be determined.
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Chapter 26 Solutions
Quantitative Chemical Analysis
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