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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 b mol−1]

(a)

16.8

(b)

8.4

(c)

0.84

(d)

33.6



Question ID - 52224 | SaraNextGen Top Answer

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 b mol−1]

(a)

16.8

(b)

8.4

(c)

0.84

(d)

33.6

1 Answer
127 votes
Answer Key / Explanation : (a) -

16.8

127 votes


127