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- What is the mean ionic activity coefficient for the ions M3+ and X1- of the ionic compound M1X3 if we could somehow magically know that y+ = 0.930 and y- = 0.473? %3D Type your answer...ST5H.1- Suppose the mean ionic activity coefficient for the ions M2* and X- of the ionic compound M1X2 is Y+ = 0.791. If we could somehow magically know that y+ = 0.888 then what is y_? Type your answer..Given that p∗(H2O)= 0.02308 atm and p(H2O)= 0.02229 atm in a solution in which0.122 kg of a non-volatile solute (M = 241 g/mol) is dissolved in 0.920 kg water at293 K, calculate the activity and activity coefficient of water in the solution.
- Standardization of a sodium hydroxide (NaOH) solution against potassium hydrogen phthalate (KHP) yielded the following results: Mass of KHP, g Volume of NaOH, mL 0.7987 38.29 0.8365 38.96 0.8104 38.51 0.8039 38.29 MM KHP: 204.22 MM NaOH: 40.00 a. Calculate the mean molar concentration of sodium hydroxide. (First, compute the concentration of NAOH in each titration then compute for its mean/average value.) b. Calculate the standard deviation. Please provide solutions for your answers. If you have used your calculator for calculating for mean and standard deviation, you can just provide the formula with the values indicated.For weak electrolytes, such as acetic acid, at very low concentrations the molar conductivity drops rapidly as the concentration increases. However, at higher concentration, there’s only a slight decrease in the molar conductivity. True FalseThe mean activity coefficient of a 0.040 m H2SO4 solution is 0.354. What is its mean ionic activity? 4.0 .0089
- A solution of HCl was titrated against sodium carbonate. What is the average normality of acid in the given data? (MW Na₂CO3 = 106) T2 0.3479 0.3562 0.3042 Weight (g) Initial V (ml) 0.80 1.60 35.20 36.70 39.80 Final V (mL) Vol HCl used (mL) 35.10 39.40 N of HCl (eq/L) 0.1954 0.1870 Average N of HCl (eq/L)Find the isotonic coefficient for a 0.2M solution of an electrolyte, if it is known that one liter of this solution contains 2.18x1023 molecules and solute ions.Use the Debye-Hückel equation to calculate the activity coefficient of each ion at the given ionic strength in an aqueous solution at 25 °C. Pb2+ in a solution where μ = 0.0611 M YPb²+ = PO3 in a solution where μ = 0.0483 M YPO x10 TOOLS Ion Pb²+ Mg2+ Zn²+ Cro Cr³+ PO Zr¹+ Ce4+ Ion size (a, nm) 0.450 0.800 0.600 0.400 0.900 0.400 1.100 1.100
- Why calculated and predicted value of 'mean activity coefficient, ?±' is different?120=233k×5 Find the value of k.3. The following molarities were calculated from replicate standardizations of a NaOH solution: 0.502 8, 0.502 9, 0.502 3, 0.503 1, 0.502 6, 0.502 7, 0.503 4, and 0.502 5. Assuming no systematic errors, within what range are you 90% certain that the true mean value of the molarity falls?