7. In aqueous solution, hydrazine is a base that can accept two protons: N2H4(aq) + H2O(1) 2N¿H5*(aq)+ OH(aq) Kb1 = 8.5 x 10-7 %3D N2H5* (aq) + H2O(1) 2N¿H¿²*(aq) +OH(aq) Kb2 = 8.9 x 10-16 %3D What is the pH of a 0.010 mol.L·' hydrazine solution? b. What is the concentration of N2H4, N2H5*, and N2H6²* at equilibrium? а.

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