Estimate the mean ionic activity coefficient and activity of a solution that is 10.0 mM CaCl2 (aq) and 20 mM NaCl (aq).
Estimate the mean ionic activity coefficient and activity of a solution that is 10.0 mM CaCl2...
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).
Estimate the mean ionic activity coefficient and activity of a solution at 25 °C that is 0.020 mol kg−1 NaCl(aq) and 0.035 mol kg−1 Ca(NO3)2(aq).
Find the activity coefficient of Ca2+ in a solution of 3.3 mM CaCl2 when the activity coefficient is 0.675 and the size of the ion is 600 pm
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...
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
True or fault
The mean Ionic activity coefficient of a solution containing 0.05 mol Ca_3(PO_4)_2/kg H_2O and 0.05 mol FeCl_2/kg H_2O does not exceed 1.0.
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.
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....
Calculate the activity coefficient, γ, of Sn2+ when the ionic strength of the solution, μ, is 0.059 M by linear interpolation of the data in the table. Ionic strength (μ, M) Activity coefficient (γSn2+) 0.001 0.870 0.005 0.749 0.01 0.675 0.05 0.485 0.1 0.405 γSn2+= Calculate the activity coefficient, γ, of Sn2+ when the ionic strength of the solution, μ, is 0.059 M by using the extended Debye-Hückel equation at 25 °C, where the ion size is 600 pm. γSn2+=
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