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A 5.25% solution of a substance is isotonic with a 1.5% solution of urea (molar mass= 60 g mol-1) in the same solvent. If the densities of both the solutions are assumed to be equal to 1.0 g cm-3, molar mass of the substance will be
(AIEEE 2007)
  • a)
     90.0 g mol-1
  • b)
    115.0 g mol-1
  • c)
    105.0 g mol-1
  • d)
    210.0 g mol-1
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A 5.25% solution of a substance is isotonic with a 1.5% solution of ur...
(d) O sm otic pressure of isotonic solutions are equal.
Therefore,
π1 = π2
⇒ C1RT = C2RT
⇒ C1 = C2
If densities of both the solutions are equal, then 5.25 g of a substance and 1.5 g of urea are dissolved in the same volume of the solvent, thus
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A 5.25% solution of a substance is isotonic with a 1.5% solution of urea (molar mass= 60 g mol-1) in the same solvent. If the densities of both the solutions are assumed to be equal to 1.0 g cm-3, molar mass of the substance will be(AIEEE2007)a)90.0 g mol-1b)115.0g mol-1c)105.0g mol-1d)210.0g mol-1Correct answer is option 'D'. Can you explain this answer?
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A 5.25% solution of a substance is isotonic with a 1.5% solution of urea (molar mass= 60 g mol-1) in the same solvent. If the densities of both the solutions are assumed to be equal to 1.0 g cm-3, molar mass of the substance will be(AIEEE2007)a)90.0 g mol-1b)115.0g mol-1c)105.0g mol-1d)210.0g mol-1Correct answer is option 'D'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A 5.25% solution of a substance is isotonic with a 1.5% solution of urea (molar mass= 60 g mol-1) in the same solvent. If the densities of both the solutions are assumed to be equal to 1.0 g cm-3, molar mass of the substance will be(AIEEE2007)a)90.0 g mol-1b)115.0g mol-1c)105.0g mol-1d)210.0g mol-1Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A 5.25% solution of a substance is isotonic with a 1.5% solution of urea (molar mass= 60 g mol-1) in the same solvent. If the densities of both the solutions are assumed to be equal to 1.0 g cm-3, molar mass of the substance will be(AIEEE2007)a)90.0 g mol-1b)115.0g mol-1c)105.0g mol-1d)210.0g mol-1Correct answer is option 'D'. Can you explain this answer?.
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