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What is the molality of pure water...

What is the molality of pure water

A

1

B

18

C

55.5

D

none of these

Text Solution

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The correct Answer is:
C
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MODERN PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY -MULTIPLE CHOICE QUESTION (LEVEL-II)
  1. 4 g of copper was dissolved in concentrated nitric acid. The copper ni...

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  2. The crystalline salt Na2 SO4.xH2O on heating loses 55.9 % of its weig...

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  3. What is the molality of pure water

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  4. The molarity of 98% H2SO4 (d = 1.8 g/mL) by weight is

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  5. How much time (in hours ) would it take to distribute one avogardo num...

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  6. Arrange the following in the order of increasing mass (atomic mass: O ...

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  7. Which one of the following sets of compounds correctly illustrate the...

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  8. 20.0 kg of N2(g) and 3.0 kg of H2(g) are mixed to produce NH3(g) . The...

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

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  10. What is the volume of CO2 liberated (in litres) at 1 atmosphere and...

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  11. A 100% pure sample of a divalent metal carbonate weighing 2 g on compl...

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  12. The equivalent mass of a certain bivalent metal is 20 . The molecular...

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  13. The total number of electrons in 18 mL of water (density = 1 g mL^(-1)...

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  14. Two solutions of HCI, A and B, have concentrations of 0.5 N and 0.1 M...

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  15. Avogadro number (6.022 xx 10^23) of carbon atoms are present in

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  16. The volume of 0.1 M Ca(OH)2 required to neutralize 10 mL of 0.1 N H...

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  17. An aqueous solution of 6.3 g of oxalic acid dihydrate is made upto 250...

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  18. How many moles of electrons weigh one kilogram?

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  19. Mixture X = 0.02 mol of [Co (NH3)5 SO4] Br Brand 0.02 mol of [Co (N...

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  20. Which has maximum number of atoms?

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