Problem: What is the concentration of X2- in a 0.150 M solution of the diprotic acid H2X? For H2X, Ka1  = 4.5 x 10 - 6 and Ka2  = 1.2 x 10 - 11.

FREE Expert Solution

(1) Setup an ICE Chart

(2) Calculate for HX- and H3O+

Ka=productsreactants=[H3O+][C2H5CO2-][C2H5CO2H]


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Problem Details

What is the concentration of X2- in a 0.150 M solution of the diprotic acid H2X? For H2X, Ka1  = 4.5 x 10 - 6 and Ka2  = 1.2 x 10 - 11.

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