A 10 mg effervescent tablet containing sodium bicarbonate and oxalic acid releases 0.25 ml of `CO_(2)` at T = 298.15 K and p = 1

A 10 mg effervescent tablet containing sodium bicarbonate and oxalic acid releases 0.25 ml of `CO_(2)` at T = 298.15 K and p = 1 bar. If molar volume of `CO_(2)` is 25.0 L under such condition, what is the percentage of sodium bicarbonate in each tablet ? [Molar mass of `NaHCO_(3) = 84 g mol^(-1)`]
A. `16.8`
B. `8.4`
C. `0.84`
D. `33.6`

A 10 mg effervescent tablet containing sodium bicarbonate and oxalic acid releases 0.25 ml of `CO_(2)` at T = 298.15 K and p = 1 bar. If molar volume

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