Calculate the of and in 0.15 M ethylene diamine (aq.); if NH_2C_2H_4NH_2 + H_2O…

CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases

Problem

Calculate the

[OH^-]

[NH_2 \cdot C_2H_4NH_3]^+

and

[H_3N - C_2H_4NH_3]^{2+}

in 0.15 M ethylene diamine (aq.); if

NH_2C_2H_4NH_2 + H_2O \rightleftharpoons NH_2C_2H_4NH_3^+ + OH^-

K_1 = 8.5 \times 10^{-5}

NH_2C_2H_4NH_3^+ + H_2O \rightleftharpoons [NH_3C_2H_4NH_3]^{2+} + OH^-

K_2 = 2.7 \times 10^{-8}