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To change the molal conc. to one half, o...

To change the molal conc. to one half, one of the following should be adopted

A

weight of the solute should be doubled

B

weight of the solvent should be doubled

C

volume of the solvent should be doubled

D

weight of the solution should be doubled

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The correct Answer is:
B
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AAKASH SERIES-SOLUTIONS -Objective Exercise -1
  1. Regarding molarity, which of the following statements are correct (a...

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  2. At 25^@C for a given solution M = m, then at 50^@C the correct relatio...

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  3. To change the molal conc. to one half, one of the following should be ...

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  4. 0.1 gram mole of urea is dissolved in 100g. of water. The molality of ...

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  5. M = molarity of the solution m = molality of the solution d = dens...

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  6. Calculate the molality of a 9.8% (w/w) solution of H2SO4.

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  7. If two substances A and B have pA^0 : pB^0 = 1: 2 and have mole fracti...

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  8. In which mode of expression, the concentration of solution remains ind...

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  9. 6g. of Urea is dissolved in 90g. of water. The mole fraction of solute...

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  10. 0.1 mole of NaCl is dissolved in 100g of water. The mole fraction of N...

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  11. Incorrect statement is (KH = Henry's constant)

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  12. Which of the following statement is correct about Henry's law

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  13. Text Solution

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  14. If 0.05 mole of gas are dissolved in 500 grams of water under 1 atm. p...

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  15. In a nearly saturated solution, the solubility increases with increase...

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  16. Among the following gases which gas has the highest Henry's law consta...

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  17. The density of 20% (w/w) aqueous NaOH solution is 1.20 g.mL^(-1). What...

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  18. In a mixture of A and B, components show negative deviation when

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  19. Which of the following liquid pairs shows a positive deviation from Ra...

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  20. If liquid A and B form ideal solutions

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