Which solution has \( \mathrm{pH} \) equal to 10 ? (a) \( 10^{-4} \...

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Which solution has \( \mathrm{pH} \) equal to 10 ?
(a) \( 10^{-4} \mathrm{M} \mathrm{KOH} \)
(b) \( 10^{-10} \mathrm{M} \mathrm{KOH} \)
(c) \( 10^{-10} \mathrm{M} \mathrm{HCl} \)
(d) \( 10^{-4} \mathrm{M} \mathrm{HCl} \)
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