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250 mL of a Na(2)CO(3) solution contains...

250 mL of a `Na_(2)CO_(3)` solution contains `2.65 g` of `Na_(2)CO_(3).10mL` of this solution is added to xml of water is obtain `0.001 M Na_(2)CO_(3)` solution. The value of x is :

A

1000

B

990

C

9990

D

90

Text Solution

Verified by Experts

The correct Answer is:
B
`M=(W)/(GMW)xx(1000)/(V(ml))`
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NARAYNA-SOLUTIONS & COLLIGATIVE PROPERTIES -EXERCISE : 2 (C.W)
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  2. 100 ml 0.2 M NaOH is exactly neutralised by a mixture of which of the ...

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  3. 250 mL of a Na(2)CO(3) solution contains 2.65 g of Na(2)CO(3).10mL of ...

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  4. Zinc reacts with CuSO(4) according to the equation Zn+CuSO(4)rarrZnSO(...

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  5. The molarity of pure water is

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  6. IF 250 mL of 0.25 M NaCl solution is diluted with water to a vo...

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  7. What volume of 0.8M solution contains 0.1 mol of the solute ?

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  8. 250 ml of a calcium carbonate solution contains 2.5 grams of CaCO(3). ...

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  9. 3.65 grams of HCl is disolved in 16.2 grams of water. The mole fractio...

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  10. If the molecular weight of H(2)SO(4) is 98. The amount of acid present...

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  11. 5.85 g NaCl is dissolved in 500 ml of water. The molarity is

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  13. Number of milli equivalents of solute in 0.5 litres of 0.2 N solution ...

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  14. Volume of 0.1 M K(2)Cr(2)O(7) required to oxidize 35 mL of 0.5 M FeSO(...

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  15. Weight of solute present in 500 ml 0.2 N-H(2)SO(4) solution is

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  16. Number of milli equivalents of solute present in 250 ml of 0.1 M oxali...

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  17. The mass of oxalic acid crystals H(2)C(2)O(4).2H(2)O required to prepa...

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  18. What is the volume (in litres) of 0.1 M H(2)SO(4) required to complete...

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  19. 3.42 g of a substance of molecular weight 342 is present in 250g of wa...

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  20. 3g of a salt [mol. Wt. 30] is dissolved in 250 g of water the molality...

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