A mixture of \( \mathrm{NaHC}_{2} \mathrm{O}_{4} \) and \( \mathrm{KHC}_{2} \mathrm{O}_{4} \cdot...
A mixture of \( \mathrm{NaHC}_{2} \mathrm{O}_{4} \) and \( \mathrm{KHC}_{2} \mathrm{O}_{4} \cdot \mathrm{H}_{2} \mathrm{C}_{2} \mathrm{O}_{4} \) required equal volumes of \( 0.2 \mathrm{~N} \mathrm{KMO}{ }_{4} \) and \( 0.12 \mathrm{~N} \mathrm{NaOH} \) separately. What is the molar ratio of \( \mathrm{NaHC}_{2} \mathrm{O}_{4} \) and \( \mathrm{KHC}_{2} \mathrm{O}_{4} \cdot \mathrm{H}_{2} \mathrm{C}_{2} \mathrm{O}_{4} \) in the mixture ?
(a) \( 6: 1 \)
(b) \( 1: 6 \)
(c) \( 1: 3 \)
(d) \( 3: 1 \)
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