Question #170701
What is the concentration of nitrous acid is required to produce a solution with a pH of 3.7?
Expert's answer
HNO3 is a strong acid, it dissociates in the water environment completely.
pH = - lg [H+]
3.7 = - lg [H+]
H+ = 0.03
Therefore, the concentration CM (HNO3) = 0.03 mol/l
