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need help! thank you, if cant answer all just need k3 of pt.3 and question under

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Oct 23rd, 2017

Equation 2:

3H+ + 3OH- = 6H2O

Equation 3:

Fe(OH)3 + 3 H+ = Fe3+ + 6 H2O

K3 = [Fe3+] /[Fe(OH)3] [H+]3

As the moles of Fe3+ and Fe(OH)3 are calculated in the other part of this question, so for determining the moles of H+

  1 Fe(OH)3 = 3 H+

  3.333*10-13= 3*3.333*10-13

  = 9.999*10-13 mol of H+

K3 = 3.333*10-13 /[3.333*10-13] [9.999*10-13 ]3

K3= 1.0003*1036


Apr 28th, 2015

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Oct 23rd, 2017
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Oct 23rd, 2017
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