4, the titre Solution of HQ Solution of the the Jodium 30.37 ml was containing molarity type OF hydroxt hydrochloric titrare required to 0.225 carbonate, OF HCI titration primary Na2CO3 solution, involved. acid- standard State the Calculate
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- Asolutionispreparedwith70.0gnitricacid,HNO3,and130.0gwater.Ithasadensityof1.21g/mLWhatisthepercentconcentrationofnitricacidsolution?Whatisthemolarityofthesolution?Whatisthemolalityofthesolution?3.Explainthethin-layerchromatographicpuritycheckprocedureforanalysisofanunknownorganic compound.In benzene, dimerization occurs with benzene due to hydrogen bonding. In 110 g of benzene, 1.70g of acetic acid is dissolved that increases the boiling point by 0.40 oC. What is the expected degree of association of acetic acid? (Use Kb=2.57 Kg mol-1 )?
- Please don't providew hand written solution....Desalination is one possible process of extracting water from salty water ( from sea ) for industrial & domestic use. Briefly discuss and illustrate how to do it psychrometrically. attach the illustration plsArrange the following substances in order of increasingsolubility in hexane, C6H14: CH2OHCH2OH, C10H22, H2O.
- 1. Describe the preparation of (a) 500 mL of 0.0750 M AgNO3from the solid reagent .(b) 1.00 L of 0.285 M HCl, starting with a 6.00 M solution of the reagent. (c) 400 mL of a solution that is 0.0810 M in K+, starting with solid K4Fe(CN)6. (d) 600 mL of 3.00% (w/v) aqueous BaCl2from a 0.400 M BaCl2solution. (e) 2.00 L of 0.120 M HClO4from the commercial reagent [71.0% HClO4(w/w), specificgravity1.67]. (f) 9.00 L of a solution that is 60.0 ppm in Na+, starting with solid Na2SO4 EXPLAIN EACH ITEM1. Describe the preparation of (a) 500 mL of 0.0750 M AgNO3from the solid reagent .(b) 1.00 L of 0.285 M HCl, starting with a 6.00 M solution of the reagent. (c) 400 mL of a solution that is 0.0810 M in K+, starting with solid K4Fe(CN)6. (d) 600 mL of 3.00% (w/v) aqueous BaCl2from a 0.400 M BaCl2solution. (e) 2.00 L of 0.120 M HClO4from the commercial reagent [71.0% HClO4(w/w), specificgravity1.67]. (f) 9.00 L of a solution that is 60.0 ppm in Na+, starting with solid Na2SO4What would be the saturation concentration (mole/L) of oxygen (O2) in a river in winter when the air temperature is 0°C if the Henry's law constant at this temperature is 2.28 × 10-3 mole/L-atm? What would the answer be in units of mg/L? Assume that O2 comprises 21% ofair.
- Calculate for the mass of glyceraldehyde (C3H6O3) needed to prepare 250 mL of each of the following solutions?a. 78% (w/v)b. 1.65 Mc. 890 ppmThe Henry’s law constant (kH) for O₂ in water at 20°C is 1.28X10⁻³mol/Latm. (a) How many grams of O₂ will dissolvein 2.50 L of H₂O that is in contact with pure O₂ at 1.00 atm? (b) How many grams of O₂ will dissolve in 2.50 L of H₂O that isin contact with air, where the partial pressure of O₂ is 0.209 atm?Describe the solution's preparation: i) 250 mL of 0.0750 M AgNO3 from the solidreagent ii) 500 mL of 4.75 % (w/v) aqueous ethanol iii) 250 mL solution of 25 ppm of Na+ from solid sodium sulfate (Na2SO4)