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The active ingredients in aspirin is ac...

The active ingredients in aspirin is acetly salicylic acid

with `K_(a) = 2.75 xx10^(-9)` , The pH of the solution obtained by dissolving twoe aspirin tablets (containing 0.32 g of acetyl salicylic acid in eac tablet ) in 250 ml of water is (given log `6.25 = 0.80` )

A

`5.20`

B

`4.20`

C

`3.20`

D

`7.20`

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FIITJEE-IONIC EQUILIBRIUM -ASSIGNMENT PROBLEMS (OBJECTIVE ) LEVEL - I
  1. At a certain temperature , K(w) of water is 9.0 xx 10^(-14) . The pH...

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  2. Which of the following will have nearly equal [H^(+)] concentration...

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  3. The active ingredients in aspirin is acetly salicylic acid wit...

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  4. The pair of compounds, which cannot exist together in a solution is-

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  5. Equal volume of 0.02 M KCl and 0.02 M K[Ag(CN)(2)] are mixed , then...

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  6. A certain weak acid has a dissocation constant of 1.0 xx 10^(-4). The ...

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  7. From separate solutions of sodium salts, NaW, NaX, NaY and NaZ have pH...

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  8. The pK(a) of acteylsalicylic acid (aspirin) is 3.5. The pH of gastric ...

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  9. The ionization constant of overset(o+)(NH(4)) ion in water is 5.6 xx 1...

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  10. In the equilibrium CaF(2) hArr Ca^(2+) +2F^(-) , the (Ca^(2+)) is i...

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  11. 10 ml of 0.2 M acid is added to 250 ml of a buffer solution with p...

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  12. 20g of a binary electrolyte(mol.wt.=100)are dissolved in 500g of water...

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  13. The solubility of CsBr(3) (MW = 373) in water is 746 ppm . The solu...

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  14. The precipitate of CaF(2) (K(sp)=1.7xx10^(-10)) is obtained when equal...

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  15. A weak monobasic (0.1 M) has a pH of 3 at a particular tempertaure ...

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  16. The pH of 1 M PO(4)^(3-) (aq) solution (given pK(b) of PO(4)^(3-) =...

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  17. pH of a saturated solution of M(OH)(2) is 13 . Hence K(sp) of M(OH)(2...

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  18. A solution is a mixture of 0.05 M NaCl and 0.05 M AgI. The concentrati...

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  19. For a 'C'M concentarted solution of a weak electrolyte A(x)B(y)alpha(d...

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  20. Let the solubilities of AgCI in H(2)O, and in 0.01M CaCI(2), 0.01M NaC...

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