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JEE Main2019Chemistry
Q.

A 10 mg effervescent tablet containing sodium bicarbonate and oxalic acid releases 0.25 ml of CO2 at T = 298.15 K and p = 1 bar. If molar volume of CO2 is 25.0 L under such condition, what is the percentage of sodium bicarbonate in each tablet?

[Molar mass of NaHCO3 = 84 g mol–1] 

  1. A

    33.6 

  2. B

    8.4

  3. C

    0.84

  4. D

    16.8

Solution

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