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Q. No. 5 Write functions and procedure of analysis of various volatile organic molecules by using Gas chromatography
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- Which properties would be ideal in selecting the compound to be used as a primary standard for quantitative volumetric analysis?What are the functions and procedure of analysis of many volatile organic molecules by using Gas chromatographyTRUE or FALSE. Extraction is attained when the solute is completely dissolved and the concentration of the solution so formed is uniform. The concentration of the liquid retained by the solid leaving any stage is the same as that of the liquid overflow from the same stage.
- 2. What is the basis for the separation of components of mixtures by paperchromatography?Do you agree/disagree with the following statement below? State your reasons. "Classical precipitation gravimetric analysis is best used towards the end of quantitative analysis while classical volumetric analysis is best used as the first technique to quantify analytes."In gravimetric analysis, volatile electrolyte is used in peptization step a. to form small nucleib. to easily dry precipitatec. to reprecipitate the analyteexplain please
- Can paper chromatography be used to separate and identify very volatile substances? Why? Please explain comprehensively.Give example and explanation of each words: Standard Solution Supernatant liquid Abscissa Atomic mass Concentration Density Equilibrium Constant Formula mass(1) Calculate the amount of lime and soda required for softening 9000 litres of water sample containing in ppm, Mg(HCo = 50; CaCl, = 111; MgSO, = 120; CaSO, = 138; NaCi = 480 and Fe-O, = 234, The lime of 80% and soda of 90% purity was utilized in the process. (i) You are given a task to treat the hard water to produce clear, transparent, and softened water (the residual hardness up to 20 ppm is allowed). As a responsible engineer of the plant, what is your strategy to generate the water of required softness? Explain
- Determine the number of phases, components, and the variance (degrees of freedom) for the following: (a) A solution made from water, MgCl2 and KBr. (b) A solid mixture containing powdered graphite and powdered diamond. (c) A gaseous mixture containing water and carbon dioxide that was produced from the combustion of a stoichiometric mixture of oxygen and propane gases. Assume the reaction went to completion and there are no residual amounts of propane nor oxygen present. (d) A system containing PCl5(g), PCl3(g) and Cl2(g) in equilibrium. (e) Oxygen gas and hydrogen gas in equilibrium with liquid water.Introduction of determination of excess molar volume of binary mixture of water and methanol by measuring density ?1.Define binary mixture 2. Define density 3. Give an abstract of determination of excess molar volume of binary mixtures of water and methanol by measuring density
