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- 2.80 Ethylamine, C2H5NH2, is a monoprotic base with pKb = 3.37 at 25 °C. For 0.147 mol L- C2H5NH2(aq) at 25 °C, calculate

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pkb = 3-37 .pkb = -Og ko = 3-37 = (K6= 4:270104] Cathy NH2 + H2O + CQH; NH2 + oH initial 00147 M final 0.147-20 zez 0-147-re

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