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6.02 xx 10^20 molecules of urea are pres...

`6.02 xx 10^20` molecules of urea are present in 100 mL. of its solution. The concentration of solution is

A

0.1M

B

0.001M

C

0.01M

D

0.02M

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-SOLUTIONS -Objective Exercise -3 (PREVIOUS NEEET/AIPMT )
  1. A solution containing 10 g per "dm"^3 of urea (molar mass = 60) is iso...

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  2. 1.0 g of a non-electrolyte solute (molar mass 250 g "mol"^(-1)) was di...

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  3. A 0.5 molal aqueous solution of a weak acid (HX) is 20 percent ionized...

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  4. A 0.0020 m aqueous solution in an ionic compound Co(NH3)5 (NO2)Cl fre...

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  5. A solution of sucrose (molar mass 342 "gmol"^(-1)) has been produced b...

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  6. The van't Hoff factor i for a compound which undergoes dissociation in...

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  7. The freezing point depression constant for water is -1.86^@C m^(-1). I...

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  8. PA and PB are the vapour pressure of pure liquid components. A and B, ...

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  9. Which of the following compounds can be used as antifreeze in automobi...

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  10. 6.02 xx 10^20 molecules of urea are present in 100 mL. of its solution...

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  11. Of the following 0.10 m aqueous solutions, which one will exhibit the ...

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  12. The boiling point of 0.2 mol "kg"^(-1) solution of X in water is great...

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  13. Mole fraction of the solute in a 1.00 molal aqueous solution is

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  14. Which one of the following electrolytes has the same value of van't Ho...

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  15. At 100^@ C the vapour pressure of a solution of 6.5 gm of a solute in ...

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  16. The percentage of pyridine (C5H5N) that forms pyridinium ion (C5H5N^(+...

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  17. The van't Hoff factor (i) for a dilute aquoues solution of the strong ...

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  18. Which one of the following is incorrect for ideal solution ?

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  19. If molality of the dilute solution is doubled, the value of molal depr...

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  20. A mixture of 2.3 g formic acid and 4.5 g oxalic acid is treated with c...

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