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Calculate the pH of a 0.368 M solution of ethylenediamine (H2NCH2CH2NH2). The pKa values for the...

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Chemistry

Calculate the pH of a 0.368 M solution of ethylenediamine(H2NCH2CH2NH2). The pKa values for the acidic form ofethylenediamine ( H3NCH2CH2NH3 ) are 6.848 (pKa1) and 9.928 (pKa2).Calculate the concentration of each form of ethylenediamine in thissolution at equilibrium.

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4.3 Ratings (599 Votes)
pKa1 6848 log Ka1 6848 Ka1 106848 142 x 107pKa2 9928 log Ka1 9928 Ka1 109928 118 x 1010NowH2NCH2CH2NH2 H2O H2NCH2CH2NH3 OHKa1 H2NCH2CH2NH3OH H2NCH2CH2NH2 142 x107    See Answer
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