(Solved): 11. Given the table below, which of the following is most basic? Note: this table was taken direct ...

11. Given the table below, which of the following is most basic? Note: this table was taken directly from the class notes. 12. The ethylammonium ion \( \left(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{NH}_{3}{ }^{+}\right) \)has a pKa of \( 10.75 \). Which of the following is the dominant form of this molecule at a \( \mathrm{pH} \) of \( 8.1 \) (the \( \mathrm{pH} \) of seawater).