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Answer to Question #170701 in Chemistry for Hyeri

Question #170701

What is the concentration of nitrous acid is required to produce a solution with a pH of 3.7?


1
Expert's answer
2021-03-25T03:41:45-0400

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




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