True or fault The mean Ionic activity coefficient of a solution containing 0.05 mol Ca_3(PO_4)_2/kg H_2O...
Estimate the mean ionic activity coefficient for CaCl2 in a solution that is 0.010 mol kg-1 CaCl2(aq) and 0.030 mol kg-1 NaF(aq).
21 Calculate the ionic strength and the mean activity coefficient of 1.00 mmol kg CaCl, (aq) at 25°C. Calculate the masses of (a) KNO, and, separately, (b) Ba(NO3), to add to a 0.110 mol kg solution of KNO, (aq) containing 500 g of solvent to sitionic strength to 100. b
Lfef Vapor-pressure measurements give the mean ionic activity coefficient of CdCl2 in a 0.100 mol/kg aqueous Cacl2 solution at 25°C and 1 bar as v. =0.228. Find Eo and E at 25°C and 1 bar for the cell C'S Cals) CdCl2 (@q, Q100 mol/kg) II AgCl(s) I Ag(s) By convention, the left-hand electrode involves oxidation Scanner Lfef Vapor-pressure measurements give the mean ionic activity coefficient of CdCl2 in a 0.100 mol/kg aqueous Cacl2 solution at 25°C and 1 bar as...
Calculate the activity coefficient, y, of Snt when the ionic strength of the solution, , is 0.062 M by linear interpolation of the data in the table. Ionic strength (H, M) 0.001 Activity coefficient (75m?) 0.870 0.005 0.43 0.749 YSa+= 0.01 0.05 10.1 0.675 0.485 0.405 Calculate the activity coefficient, y of Snt when the ionic strength of the solution, , is 0.062 M by using the extended Debye-Hückel equation at 25 °C, where the ion size is 600 pm....
What is the activity coefficient of Ht in a solution containing 0.073 M HCl and 0.0090 M Ca(CIO),? Activity coefficients at various ionic strengths can be found in this table. Y= What is the pH of this solution? pH = pH =
Calculate the activity coefficient, ?, of Cu2 when the ionic strength of the solution, ? , is 0.078 M: (a) by linear interpolation of the data in the table to the right; yCu2+ = 0.440 (b) by using the extended Debye-Huckel equation at 25°C, where the ion size is 600 pm. yCu2+ = answer to part a is correct. ionic strength (,M) activity coeffient Cu2+ 0.001 0.870 0.005 0.749 0.01 0.675 0.05 0.485 0.1 0.405
Activity Calculate the activity coefficient, y, of Fe2+ when the ionic strength of the solution, μ , is 0.074 M lonic Strength Coefficient 2+ (a) by linear interpolation of the data in the table to the right; 0.001 0.005 0.01 0.05 0.1 0.870 0.749 0.675 0.485 0.405 Number Fe (b) by using the extended Debye-Huckel equation at 25°C, where the ion size is 600 pm Number Fe
The mean activity coefficient of a 0.2 b Mg(NO3)2 solution is 0.13 at 25oC. Calculate the mean molality, the mean ionic activity and the activity of the compound.
Consider an aqueous potassium nitrate solution of molality O 110 mol/kg, containing 500 g of solvent. Calculate the mass of calcium nitrate required to raise the ionic strength of the solution to 1 00. [6]
What is the activity coefficient of H in a solution containing 0.073 M HCI and 0.0090 M Ca(CIO,)? Activity coefficients at various ionic strengths can be found in this table. Y = What is the pH of this solution? pH Charge +/-1 H* Activity coefficient (y) 900 (CaH5i2CHCO2, (C3H7)4N* (02N)3CH20",(C3H7) NH*, CH3OgH4Co2 0.967 0.933 0.914 0.96 800 0.966 0.931 0.83 0.912 0.85 0.82 700 0.965 0.930 0.909 0.845 0.81 L CeHsCO2, HOC H4CO, CICeH4CO, CsHgCH2C02 CH2-CHCH2CO2(CH3)2CHCH2CO2, (CH3CH2)4N, (C3H7)2NH2+ 600 0.965...