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One gram is silver salt of an organic dibasic acid yields , on strong heating , 0.5934 g of silver. if the weight percentage of carbon in it 8 times the weight percentage of hydrogen and half the weight percentage of oxygen, determine the molecular formula of the acid. [Atomic weight of Ag = 108]
  • a)
    C4H6O4
  • b)
    C4H6O6
  • c)
    C2H6O2
  • d)
    C5H10O5
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
One gram is silver salt of an organic dibasicacid yields , on strong h...
Option B is correct answer because H & O will have same number of moles from given composition in the empirical formula. 
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Most Upvoted Answer
One gram is silver salt of an organic dibasicacid yields , on strong h...
H2A → Ag2A → Ag
Mass of compound = 1 gm
Mass of Ag in compound = 0.5934 gm
Since same mole of Ag be on both sides, 
2 /216+MA = 0.5934/108
Or MA = 148
Therefore molar mass of acid(H2A) = 148+2 = 150gm
Let %age of C = x

Therefore, empirical formula = C2H3O3
(Empirical mass) n = molar mass
n = 150/75 =2
Therefore, molecular formula = C4H6O6
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Community Answer
One gram is silver salt of an organic dibasicacid yields , on strong h...
Given Data:
- Gram of silver salt of an organic dibasic acid yields 0.5934 g of silver
- Weight percentage of carbon is 8 times the weight percentage of hydrogen
- Weight percentage of oxygen is half the weight percentage of hydrogen
- Atomic weight of Ag = 108

Calculations:
1. Calculate the molar mass of the organic dibasic acid:
- The molar mass of Ag = 108 g/mol
- 0.5934 g of Ag is obtained from 1 g of the acid
- Therefore, the molar mass of the acid = (1 / 0.5934) x 108 = 181.85 g/mol
2. Let the molecular formula of the acid be CxHyOz:
- Given weight percentage of carbon = 8 times weight percentage of hydrogen
- Given weight percentage of oxygen = 0.5 times weight percentage of hydrogen
3. Calculate the weight percentages of each element in the acid:
- Let the weight percentage of hydrogen be x%
- Weight percentage of carbon = 8x%
- Weight percentage of oxygen = 0.5x%
4. Use the molar mass and weight percentages to find the molecular formula:
- Molar mass = (x/100)(1) + (8x/100)(12) + (0.5x/100)(16) = 181.85
- Solving for x gives x = 6, y = 6, z = 6

Conclusion:
The molecular formula of the acid is C6H6O6, which corresponds to option B: C4H6O6.
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One gram is silver salt of an organic dibasicacid yields , on strong heating , 0.5934 g of silver. if theweight percentage of carbon in it 8 times the weight percentage of hydrogen and half the weight percentage of oxygen, determine the molecular formula of the acid. [Atomic weight of Ag = 108]a)C4H6O4b)C4H6O6c)C2H6O2d)C5H10O5Correct answer is option 'B'. Can you explain this answer?
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