Solución al ejercicio
6368
a)
;
b)
; 
![\bf [NO_2] = 3,4\cdot 10^{-2}\ M](local/cache-TeX/bff5a1c7ebe675c54ffdf4d413a1fff6.png "\bf [NO_2] = 3,4\cdot 10^{-2}\ M")