<p>A 10 mg effervascent tablet containing sodium bicarbonate and oxalic acid releases 0.25 mL of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></math>&nbsp;at 298.15 K and P = 1 bar. If molar volume of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>C</mi><msub><mi>O</mi><mn>2</mn></msub></math>&nbsp;is&nbsp; 25.01 L under such condition, what is the percentage of sodium bicarbonate in each tablet.</p>

<p>Molar mass of&nbsp;<math xmlns="http://www.w3.org/1998/Math/MathML"><mi>N</mi><mi>a</mi><mi>H</mi><mi>C</mi><msub><mi>O</mi><mn>3</mn></msub><mo>&#160;</mo><mo>=</mo><mo>&#160;</mo><mn>84</mn><mi>g</mi><mo>&#160;</mo><mi>m</mi><mi>o</mi><msup><mi>l</mi><mrow><mo>-</mo><mn>1</mn></mrow></msup></math></p>