3. What is the \( \mathrm{pH} \) of a \( 0.2 \mathrm{M} \) solution of a strong acid? 4. What is the \( \mathrm{pH} \) of a \( 0.0136 \mathrm{M} \) solution of \( \mathrm{KOH} \), a strong base?
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For a strong acid, the concentration of hydronium ions (\( [\mathrm{H}^+] \)) is equal to the concentration of the acid. So, for a \( 0.2 \mathrm{M} \) strong acid solution, \( [\mathrm{H}^+] = 0.2 \mathrm{M} \). Show more…
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