What is the molarity of \( \mathrm{NaOH} \) solution if \( 250 \mathrm{~mL} \) of \( \mathrm{P} ...
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What is the molarity of \( \mathrm{NaOH} \) solution if \( 250 \mathrm{~mL} \) of
\( \mathrm{P} \) it contains \( 1 \mathrm{mg} \) of \( \mathrm{NaOH} \) ?
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(A) \( 10^{-1} \mathrm{M} \)
(B) \( 10^{-2} \mathrm{M} \)
(C) \( 10^{-4} \mathrm{M} \)
(D) \( 10^{-3} \mathrm{M} \)
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