tlawrence81 tlawrence81

21-05-2021
Chemistry

contestada

find the pH of
2.1 x 10-3 [HCI]

Respuesta :

keijosalonen keijosalonen

21-05-2021

Answer: pH = 2.68

Explanation: pH = - log[H3O^+] .

HCl reacts with water : HCl + H2O -> Cl^- + H3O^+

So [H3O^+] = c(HCl) = 0.0021 M

pH = - log(0.0021) = 2.68

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