Calculate the ionic strength of a solution that is 0.040 mol kg-1 in K3[Fe(CN)6] (aq), 0.030 mol kg-1 in KCl (aq), and 0.050 mol kg-1 in NaBr (aq)
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Calculate the ionic strength of a solution that is 0.040 mol kg-1 in K3[Fe(CN)6] (aq), 0.030...
7) Calculate the ionic strength of a solution that is 0.030 mol/kg in Ks[Fe(CN) s], 0.050 mol/kg in KCI, and 0.070 mol/kg in NaBr. (All three salts are in the same solution)
Calculate the ionic strength of a solution that is a. 0.040 Min FeSO4. Ionic strength = b. 0.40 M in (NH4), Cr 04. Ionic strength = c. 0.40 Min FeCl2 and 0.40 M in FeCl2. Ionic strength = d. 0.040 M in La (NO3)2 and 0.050 M in Fe(NO3)2- Ionic strength =
3. When Cl2(g) is added to aqueous K [Fe(CN)6], [Fe(CN).]*- is oxidized to [Fe(CN).]}-and K [Fe(CN)6] precipitates, as shown below. 2K [Fe(CN).] (aq) + Cl2(g) = 2K3[Fe(CN).J(8) + 2Cl(aq) a. Write the net ionic equation for the reaction and calculate its equilibrium constant (10 pts) At 25°C: [Fe(CN).]" (aq) + e[Fe(CN).]" (aq) E° = 0.356 V Cl2(9) + 2e → 2Cl(aq) E° = 1.360 V Ksp of K3 [Fe(CN)6] = 106.5 b. When 80.0 mL of 1.00 M KCN is...
3. When Clz(9) is added to aqueous Ke[Fe(CN).), [Fe(CN).]*- is oxidized to [Fe(CN).jº-and Kz[Fe(CN).] precipitates, as shown below. 2K [Fe(CN)6] (aq) +C12(g) = 2K [Fe(CN).](s) + 2Cl(aq) a. Write the net ionic equation for the reaction and calculate its equilibrium constant. (10 pts) At 25°C: [Fe(CN)6]3-(aq) + [Fe(CN)6]+-(aq) E° = 0.356 V Cl2(g) + 2e + 2Cl(aq) E° = 1.360 V Ksp of K3[Fe(CN)6] = 106.5
A solution is prepared by adding 0.075 mole of K3 [Fe(CN)6] to 0.72 L of 2.2 M NaCN. Assuming no volume change, calculate the concentrations of Fe(CN)63- and Fe3+ in this solution. The K (overall) for the formation of Fe(CN)63- is 1.0 x 1042. [Fe(CN)6*] = [Fe3+] = Submit Answer Try Another Version 2 item attempts remaining
A solution is prepared by adding 0.063 mole of K3 [Fe(CN)6] to 0.59 L of 2.1 M NaCN. Assuming no volume change, calculate the concentrations of Fe(CN)63- and Fe3+ in this solution. The K (overall) for the formation of Fe(CN)63- is 1.0 x 1042. M [Fe(CN)6*] = C [Fe3+]= C M Submit Anchor Another Voreion 2 itom attomnte romaining
The formation constant, Kf, of Fe(CN)63-(aq), Fe3+(aq) + 6 CN-(aq) ⇌ Fe(CN)63-(aq), is 1.0 x 1042. What are the equilibrium concentrations of Fe3+(aq), CN-(aq), and Fe(CN)63-(aq) if we add 0.113 mol of Fe(NO3)3 to 1.000 L of a 0.965 M aqueous solution of NaCN? Assume the volume remains fixed at 1.000 L.
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
A. Calculate the ionic strength of an aqueous solution of 0.037 M KCl. B. How will the activity of 0.025 M Ca2+ be impacted by the addition of 0.050 M KCl? In other words will the activity of Ca2+ increase or decrease when KCl is added to pure water? Briefly explain your answer.