<p>One mole of a mixture of CO and&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></math>&nbsp;requires exactly 20g of NaOH in solution for complete conversion of all the&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></math>&nbsp;into&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>N</mi><msub><mi>a</mi><mn>2</mn></msub><mi>C</mi><msub><mi>O</mi><mn>3</mn></msub></math>. How much NaOH would it require for conversion into&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>N</mi><msub><mi>a</mi><mn>2</mn></msub><mi>C</mi><msub><mi>O</mi><mn>3</mn></msub></math>, if the mixture (one mole) is completely oxidised to&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></math>&nbsp;?</p>