Question

What is the pH of 0.02M HCl

Answer 1

Answer = 1.7 ✔️

Since HCl is a strong acid it completely dissociates. Therefore all the H+ protonates water molecules to give H3O+. Its concentration here is high enough to ignore H3O+ contribution from water so the pH is just -log(0.02) = 1.7.

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Hope it helped uhh ✅

Answer 2

Explanation:

1.7 is the correct answer

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