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- = > TOOLS X10% 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

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- = > TOOLS X10% 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

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter10: Effect Of Electrolytes On Chemical Equilibria

Section: Chapter Questions

Problem 10.8QAP

See similar textbooks

Similar questions

The mean activity coefficient of a 0.010 m H2SO4 solution is 0.544. What is its mean activity?
The excess Gibbs energy of solutions of methylcyclohexane (MCH) and tetrahydrofuran (THF) at 303.15 K were found to fit the expressionGE = RTx(1 − x){0.4857 − 0.1077(2x − 1) + 0.0191(2x − 1)2}where x is the mole fraction of MCH. Calculate the Gibbs energy of mixing when a mixture of 1.00 mol MCH and 3.00 mol THF is prepared.
The mean activity coefficients of KCl in three dilute aqueous solutions at 25 °C are 0.927 (at 5.00 mmol kg−1), 0.902 (at 10.0 mmol kg−1), and 0.816 (at 50.0 mmol kg−1). Estimate the value of B in the Davies equation.
Determine the activity coefficients and effective concentrations (activities) of Na+ and Ca2+ ions in an aqueous solution having the following composition: [Ca2+] = 3.25x 10-3 M; [Na+] = 0.96x 10-3 M; [HCO3-] = 5.75x 10-3 M; [SO42-] = 0.89x 10-3 M. (Note: Solvated ionic radii are: a(HCO3-) = a(SO42-) = 4 Å; a(Ca+) = 6 Å)
The molar conductivities at infinite dilution of aqueous solutions of NH4Cl, NaCl, and NaOH are, respectively, 130, 108.6, and 216.5 S cm2 mol-1 at 18°C. The specific conductivity of a 0.01 M solution of ammonia at the same temperature is 9.6 x 10-5 [S cm-1] and the ion product of water is 0.59 x 1014. Determine: • The concentration of NH4+ ions in the ammonia solution. • The pH of the ammonia solution.
Consider a saturated solution of barium iodate in 0.025 M BaCl2. For the salt: Ba(IO3)2(s) ⇌ Ba2+ + 2IO3- Ksp = 1.57 \times× 10-9 at 25 deg C What is the activity coefficient of Ba2+? Consider a saturated solution of barium iodate in 0.025 M BaCl2. For the salt: Ba(IO3)2(s) ⇌ Ba2+ + 2IO3- Ksp = 1.57 × 10-9 at 25 deg C What is the activity coefficient of Ba2+?. 0.439 0.364 0.276 0.405
Estimate the mean ionic activity coefficient and activity of a solution that is 0.015 mol kg-1 MgF2(aq) and 0.025 mol kg-1 NaCI(aq).
Estimate the mean ionic activity coefficient of CaCl2 in a solution that is 0.010 mol kg−1 CaCl2(aq) and 0.030 mol kg−1 NaF(aq) at 25 °C.
The activity coefficient of KCl in water at 25 0 C is 0.901 when the concentration is 0.01.What is the electric work needed to charge the solution to this state?
Calculate the % relative error in solubility by using concentrations instead of activitiesfor Fe(OH)2 in 0.0500 M KNO3 (give the source for thermodynamic solubility).
Given that p*(H2O)=0.02308 atm and p(H2O)=0.02238 atm in a solution in which 0.122 kg of a nonvolatile solute (M=241 g/mol) is dissolved in 0.920 kg of water at 293 K, calculate the activity and activity coefficient of water in the solution.
The vapour pressure of water in a saturated solution of calcium nitrate at 20 °C is 1.381 kPa. The vapour pressure of pure water at that temperature is 2.3393 kPa. What is the activity of water in this solution?