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\( 25 \mathrm{~mL} \) of the given \( \mathrm{HCl} \) solution requires \( 30 \mathrm{~mL} \) of \( 0.1 \mathrm{M} \) sodium carbonate solution. What is the volume of this \( \mathrm{HCl} \)
\( \mathrm{P} \) solution required to titrate \( 30 \mathrm{~mL} \) of \( 0.2 \mathrm{M} \) aqueous \( \mathrm{NaOH} \) solution?
(2019 Main, 11 Jan II)
W.
(a) \( 75 \mathrm{~mL} \)
(b) \( 25 \mathrm{~mL} \)
(c) \( 12.5 \mathrm{~mL} \)
(d) \( 50 \mathrm{~mL} \)
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