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- The mobility of a chloride ion in aqueous solution at 25 °C is 7.91 × 10−8 m2 s−1 V−1. Calculate the molar ionic conductivity.The molar conductivity of a 1.5 M solution of an electrolyte is found to be 138.9 S cm2 mol-1. Calculate the conductivity of this solution.Plz solve within 30min I vill give positive feedback and upvote Lattice constant for Ge=5.66A and GaP= 5.4505
- What is the strength of the ionic interactions between an ion with 1 positive charges and an ion with 2 negative charges, when the distance between them is 19.4 nanometers and the solvent is water, at 25 oC with a dielectric constant of 78.5?what is molar conductivity? what are its units?The conductivity of 0.20 M solution of KC1 at 298 K is 0.025 S cm-1. Calculate its molar conductivity.
- Do chelators reduce conductivity? Do water-miscible solvents such as mono ethylene glycol, glycol ethers reduce conductivity?Asample of 2.05 g of polystyrene of uniform polymer chain length was dissolved in enough toluene to form 0.100 Lofsolution. The osmotic pressure of this solution was found to be 1.21 kPa at 25°C. Calculate the molar mass of thepolystyrene.a) 2.35 x 104 g/molb) 4.20x 105 g/molc) 3.05 105 g/mold) 4.20x 103 g/mole) 4.20 x 104 g/mola) Calculate the normality and formality of a potassium permanganate solution of which 35.00 mL are equivalent to 0.2500 g of 98% pure calcium oxalate. b. How many microliters of a commercial hydrogen peroxide solution (assume the solution is approximately 3.5% w / v) will react with 35.00 mL of a solution whose formality was obtained in the previous part?
- The osmotic pressure of a solution of polystyrene in toluene (methylbenzene) was measured at 25 °C with the following results: c/(g dm− 3) 2.042 6.613 9.521 12.602 P/Pa 58.3 188.2 270.8 354.6 Determine the molar mass of the polymer. Molar Mass = __________ kg/mol.Sketch the cooling curves for the isopleths a and b in Fig. 5.4.Plot the interaction potential for a Na+ ion and Cl- ion as a function of separation distance in three different solvents: a) Water (? = 80.2) b) Ethylene glycol (? = 37) c) Chloroform (? = 4.8)