Question

Considerando o pH9,26, qual será [H+] dessa solução? A ( ) 5,5.10-10 mol/L B( ) 8,5.10-10 mol/L C ( ) 1,5.10-10 mol/L D ( ) 3,5.10-10 mol/L

Answer 1

pH = - log [H+]
[H+] = 10^ - pH
[H+] = 10^- 9,26
[H+] = 5,5x10^-10 mol/L

Alternativa A