The Ksp for Hg2Br2 is 1.2 ? 10-18. Calculate [ Hg22+ ] in saturated solutions of Hg2Br2 in 0.001 M KBr.
Hints:
(1) calculate ionic strength and the mean ionic activity coefficient.
(2) calculate m+ from ksp and mean ionic activity coefficient.
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The Ksp for Hg2Br2 is
1.2 ? 10-18. Calculate [ Hg22+ ]
in saturated solutions of...
Using activity, calculate the [Hg22+] concentration when Hg2Cl2 (Ksp = 1.2 x 10-18) is dissolved in...
Using activity, calculate the [Hg22+] concentration when Hg2Cl2 (Ksp = 1.2 x 10-18) is dissolved in 0.01 M NaOH. Hg2Cl2 ----> Hg22+ (aq) + 2Cl- (aq)
Determine the activity of the metal ion species in each of the following saturated solutions. A....
Determine the activity of the metal ion species in each of the following saturated solutions. A. CaF2 (Ksp = 3.2 X 10-11) in pure water B. CaF2 buffered at ionic strength 0.100 M C. Ag3PO4 (Ksp = 2.8 X 10-18) in pure water D. Ag3PO, buffered at ionic strength 0.050 M
What is the solubility of Ag3PO4 (s) in pure water given Ksp = 1.8x 10^-18? Ignoring...
What is the solubility of Ag3PO4 (s) in pure water given Ksp = 1.8x 10^-18? Ignoring activity and effects of ionic strength, calculate the solubility of Ag3PO4 (s) in 0.1 M H3PO4. '
1. Calculate the solubility product constant, Ksp, for strontium fluoride if 1.2×10-3mol of F-ion is present...
1. Calculate the solubility product constant, Ksp, for strontium fluoride if 1.2×10-3mol of F-ion is present in 2.0 L of a saturated strontium fluoride solution. A.9.0×10-8 B.2.7×10-11 C.6.9×10-9 D.1.1×10-10 E.1.4×10-6 2. Choose the correct equilibrium constant expression (Ksp) for the dissolution of Ag2S . (is the answer D?) A. [ Ag2S ] Ksp = [ Ag+]2 [ S2-] B. Ksp = [ Ag+][ S2-]2 C. [ Ag+] [ S2-] Ka = [ Ag2S ] D. Ksp = [ Ag+]2 [...
Please show work. I will rate U Resources Ionic strength (H, M) The table shows the...
Please show work. I will rate
U Resources Ionic strength (H, M) The table shows the value of the activity coefficient of Rb at different values of ionic strength. Interpolate the values in the table to find the activity coefficient of Rb at u = 0.032 M. Activity coefficient, YRb 0.964 0.001 0.924 0.005 0.01 0.898 0.05 0.80 YRb 0.1 0.75 The activity coefficient (y) of a neutral molecule is typically approximated as 1.00; however, a more accurate determination can...
4.) Calculate the concentration of ions in the following saturated solutions: a.) [I] in Agl solution...
4.) Calculate the concentration of ions in the following saturated solutions: a.) [I] in Agl solution with (Agt) = 3.7 x 10-?M Ksp Agi = 8.3 x 10-17 b.) [A13+) in Al(OH)3 solution with (OH) = 8.3 x 10M Ksp Al(OH)3 = 1.8 x 10-33 5.) Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in Appendix 3: a.) C2H4(g) + 302(8) --> 2CO2() + 2H2O() delta H (kJ/mol): CHA(g) = +52.3 CO2(8)...
Calculate the concentration of 10, in a 1.87 mM Pb(NOx), solution saturated with Pb(IO). The Ksp...
Calculate the concentration of 10, in a 1.87 mM Pb(NOx), solution saturated with Pb(IO). The Ksp of Pb(10), is 2.5 x 10-13. Assume that Pb(10), is a negligible source of Pb2+ compared to Pb(NO3)2 (103] = A different solution contains dissolved Nalo, What is the concentration of Nalo, if adding excess Pb(10,),(s) produces a Pb2+ concentration of 6.00 x 10-6 M? (Nalo,] =
22. Which of the following pairs of compounds and ions could be used to form a...
22. Which of the following pairs of compounds and ions could be used to form a buffer solution? (a) 0.10 M HCl and 0.10 M Naci (b) 0.10 M NH4Cl and 0.10 M NH3 (c) 0.10 M HNO2 and 1.0 x 10'M NaNO, 23. An activity coefficient (a) measures the deviation of behavior of ions from ideality. (b) is obtained by multiplying the concentration of a solution times the ionic strength. (c) replaces the concentration term in chemical calculations. It...
Activity #2 Calculate the pH of the following basic solutions. 1. Calculate the pH and pOH...
Activity #2 Calculate the pH of the following basic solutions. 1. Calculate the pH and pOH of a 0.200 M Ca(OH)2 2. Calculate the equilibrium concentrations for [OH-], [HB+), and [B], the pH and pOH for a 0.200 M pyridine solution. (CsH5N) Kb = 1.4 X 10-9 3. Calculate the equilibrium concentrations for [OH-], [HB], and [B], the pH and pOH for a 0.200 M methylamine. (CH3NH2) Kb = 4.4 X 10-4 4. Calculate the equilibrium concentrations for [OH-], [HB+],...
a) 4.9 x 10'M b)24x10 M c)5.8x 1010 M )1.2 x 10 M 19. Which one of the following compounds will have the lowest molar solubility in pur water? b) CuS, Ksp 1.27x103 d) ZnS, Ksp = 1.6 x 10-24 a...
a) 4.9 x 10'M b)24x10 M c)5.8x 1010 M )1.2 x 10 M 19. Which one of the following compounds will have the lowest molar solubility in pur water? b) CuS, Ksp 1.27x103 d) ZnS, Ksp = 1.6 x 10-24 a) PbS, Ksp 9.04 x 102 e) Al(OH)s, Ksp 3 x 1034 What is the molar solubility, i.e. [Fe , in a saturated aqueous solution of 20. Fe(OH)20) Fe(OH(s)Fe2+(aa) + 201H (ag), Ksp 4.87 x 101" a) 2.44 x 1017...
Determine the activity of the metal ion species in each of the following saturated solutions. A. CaF2 (Ksp = 3.2 X 10-11) in pure water B. CaF2 buffered at ionic strength 0.100 M C. Ag3PO4 (Ksp = 2.8 X 10-18) in pure water D. Ag3PO, buffered at ionic strength 0.050 M
Please show work. I will rate
U Resources Ionic strength (H, M) The table shows the value of the activity coefficient of Rb at different values of ionic strength. Interpolate the values in the table to find the activity coefficient of Rb at u = 0.032 M. Activity coefficient, YRb 0.964 0.001 0.924 0.005 0.01 0.898 0.05 0.80 YRb 0.1 0.75 The activity coefficient (y) of a neutral molecule is typically approximated as 1.00; however, a more accurate determination can...
4.) Calculate the concentration of ions in the following saturated solutions: a.) [I] in Agl solution with (Agt) = 3.7 x 10-?M Ksp Agi = 8.3 x 10-17 b.) [A13+) in Al(OH)3 solution with (OH) = 8.3 x 10M Ksp Al(OH)3 = 1.8 x 10-33 5.) Calculate the heats of combustion for the following reactions from the standard enthalpies of formation listed in Appendix 3: a.) C2H4(g) + 302(8) --> 2CO2() + 2H2O() delta H (kJ/mol): CHA(g) = +52.3 CO2(8)...
Calculate the concentration of 10, in a 1.87 mM Pb(NOx), solution saturated with Pb(IO). The Ksp of Pb(10), is 2.5 x 10-13. Assume that Pb(10), is a negligible source of Pb2+ compared to Pb(NO3)2 (103] = A different solution contains dissolved Nalo, What is the concentration of Nalo, if adding excess Pb(10,),(s) produces a Pb2+ concentration of 6.00 x 10-6 M? (Nalo,] =
22. Which of the following pairs of compounds and ions could be used to form a buffer solution? (a) 0.10 M HCl and 0.10 M Naci (b) 0.10 M NH4Cl and 0.10 M NH3 (c) 0.10 M HNO2 and 1.0 x 10'M NaNO, 23. An activity coefficient (a) measures the deviation of behavior of ions from ideality. (b) is obtained by multiplying the concentration of a solution times the ionic strength. (c) replaces the concentration term in chemical calculations. It...
Activity #2 Calculate the pH of the following basic solutions. 1. Calculate the pH and pOH of a 0.200 M Ca(OH)2 2. Calculate the equilibrium concentrations for [OH-], [HB+), and [B], the pH and pOH for a 0.200 M pyridine solution. (CsH5N) Kb = 1.4 X 10-9 3. Calculate the equilibrium concentrations for [OH-], [HB], and [B], the pH and pOH for a 0.200 M methylamine. (CH3NH2) Kb = 4.4 X 10-4 4. Calculate the equilibrium concentrations for [OH-], [HB+],...
a) 4.9 x 10'M b)24x10 M c)5.8x 1010 M )1.2 x 10 M 19. Which one of the following compounds will have the lowest molar solubility in pur water? b) CuS, Ksp 1.27x103 d) ZnS, Ksp = 1.6 x 10-24 a) PbS, Ksp 9.04 x 102 e) Al(OH)s, Ksp 3 x 1034 What is the molar solubility, i.e. [Fe , in a saturated aqueous solution of 20. Fe(OH)20) Fe(OH(s)Fe2+(aa) + 201H (ag), Ksp 4.87 x 101" a) 2.44 x 1017...
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