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Part A Calculate the pH of a 0.31 M H2SO3, solution that has the stepwise dissociation...
Calculate the concentration of all species in a 0.540 M solution of H2SO3. The acid ionization constants for the acid are Ka1=1.6×10^−2 and Ka2=6.4×10^−8.
The acid-dissociation constants of sulfurous acid (H2SO3) are Ka1= 1.7 x 10^-2 and Ka2 = 6.4 x 10^-8 at 25 degrees celcius. Calculate the pH of a 0.163 M aqueoussolution of sulfurous acid.
Calculate the pH and the equilibrium concentrations of HSO3- and SO32- in a 0.1770 M sulfurous acid solution, H2SO3 (aq). For H2SO3, Ka1 = 1.7×10-2 and Ka2 = 6.4×10-8 pH = [HSO3-] = _______ M [SO32-] = ______ M
I
solved it myself and i got 1.06 but for some reason thats not
correct. 1.02 is and i dont know how to get that
Part A Calculate the pH of a 0.60 M H2SO3, solution that has the stepwise dissociation constants Ka1 = 1.5 x 10-2 and K 2 6.3 x 108 1.02 1.06 2.04 1.82 Submit Previous Answers Correct
A diprotic acid, H2A, has acid dissociation constants of
Ka1=1.01×10−4 and Ka2=4.08×10−12. Calculate the pH and molar
concentrations of H2A, HA−, and A2−at equilibrium for each of the
solutions.
A diprotic acid, H, A, has acid dissociation constants of Kal = 1.01 x 104 and K22 = 4.08 x 10-12. Calculate the pH and molar concentrations of H, A, HA, and A? at equilibrium for each of the solutions. A 0.176 M solution of H, A. pH= pH = 1...
Worksheet 19 Titration of Polyprotic Acids Name: 1. Calculate the sulfite ion [SO3'] concentration in a 0.123 M solution of the weak acid, sulfurous acid (H2SO3). The stepwise dissociation constants of carbonic acid are: Ka1 1.41 x 102 Ka2-6.31 x 108 3. Consider the following dissociation of the triprotic acid, phosphoric acid (HsPOs): Step 1 H3POa + H2O <=> H30+ + H2PO4, Step 2 HP0i + H2O <=> H30+ + HP042- Step 3 HPO42-+ H2O <-> H3O+ + PO43- Kal=7.1...
A diprotic acid, H,A, has acid dissociation constants of Ka1 = 2.09 x 104 and Ka2 = 3.96 x 10-11. Calculate the pH and molar concentrations of H,A, HA-, and A2- at equilibrium for each of the solutions. A 0.183 M solution of H,A pH H,A= A2-1 HA] = A 0.183 M solution of N2HA. HA pH= HA A2- A 0.183 M solution of Na, A H,A ] pH= HA A2-1 M M
A diprotic acid, H,A, has acid dissociation...
(a) A 0.002 M solution of HA has a pH of 3, calculate the % dissociation of the acid. (b) A 4e-4 of HA solution dissociated by 20 %. Calculate the pH of the solution. (c) A 0.03 M solution of A^- (conjugate base a HA) and 0.03 M of strong acid are combined and results with a pH of 7. What is the pH of a 0.004 M solution of HA? (d) What starting concentration of HA would be...
1. Calculate the pH, pOH and percentage dissociation of a 0.20 M aqueous solution of the weak base, methylamine, CH,NH. The K. for CH,NH, is 3.6 x 10. (partial answer: pH= 11.93) 2. Calculate the pH of 0.75 M (CH3)2N. Ko for (CH3)2N is 7.4 x 10-(Answer pH=11.87) 3. Calculate the pH of 0.10 M NH.NO, K, for NH, is 5.6 x 10-20. (Answer pH=5.13)
180Q1 Part A Calculate the pH and the concentrations of all species present in 0.14 M H2SO3. (Ka1 = 1.5×10−2, Ka2 = 6.3×10−8) Express your answer to three significant figures and include the appropriate units. Part B Calculate the concentration of H2SO3 in solution. Express your answer to two significant figures and include the appropriate units. Part C Calculate the concentration of HSO−3 in solution. Express your answer to two significant figures and include the appropriate units. Part D Calculate...