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Which of the following aqueous solutions has the lowest pH? Why? a. 0.1 M HCl; b. 0.1 M acetic acid (pKa = 4.86); c. 0.1 M formic acid (pKa = 3.75
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Which of the following aqueous solutions has the lowest pH? Why?

a. 0.1 M HCl;
b. 0.1 M acetic acid (pKa = 4.86);
c. 0.1 M formic acid (pKa = 3.75

User Shakera
by
8.9k points

1 Answer

7 votes
Answer:

HCI

Step-by-step explanation:

The solution with the lowest pH is HCI with a pH value of 1. It is understood that it is more acidic because it is a strong acid.
User Florian Treml
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