pH of a strong monobasic acid from its concentration

The same question, asked 2 times: 11 May 2024 S1*, 20 Apr 2026 S2. Every wording below, oldest first.

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Question 1
11 May 2024 S1
91 $1.36\times10^{-2}$
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Question 2
20 Apr 2026 S2
10 $What is the pH of 1 molar HCl solution? (assume complete dissociation)$
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