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\( \mathrm{P} \)
The species present in solution when \( \mathrm{CO}_{2} \) is dissolved in water are -
W
(A) \( \mathrm{CO}_{2}, \mathrm{H}_{2} \mathrm{CO}_{3}, \mathrm{HCO}_{3}^{-}, \mathrm{CO}_{3}^{2-} \)
(B) \( \mathrm{H}_{2} \mathrm{CO}_{3}, \mathrm{CO}_{3}^{2-} \)
(C) \( \mathrm{CO}_{3}{ }^{2-}, \mathrm{HCO}_{3}^{-} \)
(D) \( \mathrm{CO}_{2}, \mathrm{H}_{2} \mathrm{CO}_{3} \)
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