Solución al ejercicio
7135
![\bf [H_3O^+] = 5,01\cdot 10^{-11}\ M](local/cache-TeX/3b907d18daa2e8b4d43520b0aa5b6b3d.png "\bf [H_3O^+] = 5,01\cdot 10^{-11}\ M")