What is the activity [A] of Na+ in a .05M solution of NaCl at 25C? You will need to use the extended Debye-Huckel equation to calculate the activity coefficient [Y] of Na+.
What is the activity [A] of Na+ in a .05M solution of NaCl at 25C? You...
1- Calculate activity coefficient of Mg2+ in a 0.0100 M MgCl2
solution.
a - By linear interpolation data in table 7-1
b - By using extended Debye-Huckel equation
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
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
Use the Debye-Huckel equation to calculate the activity coefficient of the following ions in an aqueous solution at 25 degree C. CrO_4^2- in a solution where mu = 0.0831 M Cr^3^+ in a solution where mu = 0.0350 M
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....
Using the extended Debye–Huckel equation,
plot a graph
showing the variation of activity coefficients of Ca2+,
Mg2+, and SO4
2? as a function of ionic strength between
0.0 and 0.1. What general trends, if any, can you infer
from this plot?
Using the extended Debyc-Huckel equation, plot a graph showing the variation of activity coefficiets of Ca2+, Mg2, and so 2 as a function of ionic strength between 0.0 and 0.1. What general trends, if any, can you infer from...
Question 6 of 11 Calculate the activity coefficient, y, of Ca2 when the ionic Y. Ionic Activity strength of the solution, , is 0.083 M by linear interpolation of the data in the table. strength (и, М) coefficient (YCa) 0.001 0.870 0.005 0.749 YCa+ 0.01 0.675 0.05 0.485 Calculate the activity coefficient, y, of Ca2+ when the ionic strength of the solution, u, is 0.083 M by using the extended Debye-Hückel equation at 25 °C, where the ion size is...
PHARMACEUTICS CLASS Question 1: The activity of sodium ions in a 0.10 M solution is 0.079M. What percentage of ions in this solution is free? Write numerical answer only; round to nearest percentage. Question 2: Calculate the ionic strength of a solution that contains 0.184 M NaCl, 0.318 M CaCl2, 5% w/v dextrose (mw = 180.16 g/mol), and 0.021 M FeCl3. Report answer to three decimal places (with leading zeros as appropriate). Do not type units into answer field (assume...
The temperature-dependent form of the extended Debye-Huckel equation is where γ is the activity coefficient, ε is the dielectric constant of water (a unitless quantity), T is the temperature (in units of K), z is the charge of the ion, μ is the ionic strength (in units of mol/L), and α is the ion size parameter (in units of pm). The temperature-dependence of the dielectric constant is given by the equation where the temperature is in units of Kelvin. What...
The temperature-dependent form of the extended Debye-Huckel equation where γ is the activity coefficient, ε is the dielectric constant of water (a unitless quantity), T is the temperature (in units of K), z is the charge of the ion, μ is the ionic strength (in units of mol/L), and α is the ion size parameter (in units of pm). The temperature-dependence of the dielectric constant is given by the equation where the temperature is in units of Kelvin. What is...