One mole of a mixture of \( \mathrm{CO} \) and \( \mathrm{CO}_{2} \) requires exactly \( 20 \mat...

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One mole of a mixture of \( \mathrm{CO} \) and \( \mathrm{CO}_{2} \) requires exactly \( 20 \mathrm{~g} \) of \( \mathrm{NaOH} \) in solution for complete conversion of all the \( \mathrm{CO}_{2} \) into \( \mathrm{Na}_{2} \mathrm{CO}_{3} \). How much \( \mathrm{NaOH} \) would it require for conversion into \( \mathrm{Na}_{2} \mathrm{CO}_{3} \), if the mixture (one mole) is completely oxidised to \( \mathrm{CO}_{2} \) ?
(A) \( 60 \mathrm{~g} \)
(B) \( 80 \mathrm{~g} \)
(C) \( 40 \mathrm{~g} \)
(D) \( 20 \mathrm{~g} \)
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