The pH of 0.001M HCl solution is _____.
Q.1 (iv) The pH of 0.001M HCl solution is _____.
A. 10
B. 3
C. 2
D. 11
1 answer
Best answer
Answer: B. 3
Answer: (b) 3
HCl is a strong acid and dissociates completely, so \([\mathrm{H_3O^+}] = 0.001 = 10^{-3}\) M.
\(\mathrm{pH} = -\log_{10}[\mathrm{H_3O^+}] = -\log_{10}10^{-3} = 3\)
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· 29 Oct 2026
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