\(0.25\) mole of hydrogen chloride was dissolved in dissolved in distilled water and the volume made up to \(0.50 \mathrm{dm}^{3}\). If \(15,00 \mathrm{~cm}^{2}\) of the solution sodium trioxocarbonate(iv) for neutralization calculate the concentration of the alkaline solution.

A. \(0.30\) mold \(m^{-3}\)
B. \(0.33\) mold \(m^{-3}\)
C. \(0.50 \mathrm{moldm}^{-3}\)  
D. \(0.60 \mathrm{moldm}^{-3}\)

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Correct Answer: C